The following table displays the permissions required by users for approval fields:

FieldEditableReadble
AdhocApprovalGroup__c.DependsOn__cTRUETRUE
AdhocApprovalGroup__c.GroupName__cTRUETRUE
AdhocApprovalGroup__c.GroupSequence__cTRUETRUE
AdhocApprovalProcess__c.AttachmentIds__cTRUETRUE
AdhocApprovalProcess__c.BusinessObjectId__cTRUETRUE
AdhocApprovalProcess__c.BusinessObjectType__cTRUETRUE
AdhocApprovalProcess__c.DisplayFields__cTRUETRUE
AdhocApprovalProcess__c.DisplayHeaderFields__cTRUETRUE
AdhocApprovalProcess__c.ProcessComments__cTRUETRUE
AdhocApprover__c.ApproverSequence__cTRUETRUE
AdhocApprover__c.AssigneeId__cTRUETRUE
AdhocApprover__c.AssigneeType__cTRUETRUE
AdhocApprover__c.AssigneeValue__cTRUETRUE
AdhocApprover__c.AutoReapprovalEnabled__cTRUETRUE
AdhocApprover__c.DependsOn__cTRUETRUE
AdhocApprover__c.IsReviewer__cTRUETRUE
AdhocApprover__c.SendEmail__cTRUETRUE
ApprovalJob__c.ApexChildJobId__cTRUETRUE
ApprovalJob__c.ApexParentJobId__cTRUETRUE
ApprovalJob__c.ApprovalRequestId__cTRUETRUE
ApprovalJob__c.Status__cTRUETRUE
ApprovalProcessInstance__c.AssignmentEmailTemplate__cTRUETRUE
ApprovalProcessInstance__c.AttachmentIds__cTRUETRUE
ApprovalProcessInstance__c.BusinessObjectLink__cFALSETRUE
ApprovalProcessInstance__c.BusinessObjectType__cTRUETRUE
ApprovalProcessInstance__c.CancellationEmailTemplate__cTRUETRUE
ApprovalProcessInstance__c.ConsolidationVersionNumber__cTRUETRUE
ApprovalProcessInstance__c.Data__cTRUETRUE
ApprovalProcessInstance__c.EndTime__cTRUETRUE
ApprovalProcessInstance__c.EscalationEmailTemplate__cTRUETRUE
ApprovalProcessInstance__c.InstanceNumber__cFALSETRUE
ApprovalProcessInstance__c.NotifyOnlyEmailTemplate__cTRUETRUE
ApprovalProcessInstance__c.OriginalParentApprovalProcessId__cTRUETRUE
ApprovalProcessInstance__c.PrevProcessInstanceId__cTRUETRUE
ApprovalProcessInstance__c.ReassignmentEmailTemplate__cTRUETRUE
ApprovalProcessInstance__c.ReminderEmailTemplate__cTRUETRUE
ApprovalProcessInstance__c.StartTime__cTRUETRUE
ApprovalProcessInstance__c.Status__cTRUETRUE
ApprovalRuleAssignee__c.AssigneeAutoEscalate__cFALSETRUE
ApprovalRuleAssignee__c.AssigneeDescription__cFALSETRUE
ApprovalRuleAssignee__c.AssigneeEscalateToId__cFALSETRUE
ApprovalRuleAssignee__c.AssigneeEscalateToName__cFALSETRUE
ApprovalRuleAssignee__c.AssigneeEscalateToType__cFALSETRUE
ApprovalRuleAssignee__c.AssigneeExpectedDaysToComplete__cFALSETRUE
ApprovalRuleAssignee__c.AssigneeExpectedHoursToComplete__cFALSETRUE
ApprovalRuleAssignee__c.AssigneeId__cFALSETRUE
ApprovalRuleAssignee__c.AssigneeLabel__cFALSETRUE
ApprovalRuleAssignee__c.AssigneeType__cFALSETRUE
ApprovalRuleAssignee__c.AssigneeValue__cFALSETRUE
ApprovalRuleAssignee__c.AutoComplete__cFALSETRUE
ApprovalRuleAssignee__c.DependsOn__cFALSETRUE
ApprovalRuleAssignee__c.NotifyOnly__cFALSETRUE
ApprovalRuleAssignee__c.SendEmail__cFALSETRUE
ApprovalRuleAssignee__c.SendReminders__cFALSETRUE
ApprovalRuleAssignee__c.Sequence__cFALSETRUE
ApprovalRuleAssignee__c.SkipUnresolvedAssignee__cFALSETRUE
ApprovalRuleDimension__c.BusinessObject__cFALSETRUE
ApprovalRuleDimension__c.Description__cFALSETRUE
ApprovalRuleDimension__c.DimensionType__cFALSETRUE
ApprovalRuleEntry__c.AutoReapprovalCriteria__cFALSETRUE
ApprovalRuleEntry__c.AutoReapprove__cFALSETRUE
ApprovalRuleEntry__c.ConditionFieldNames__cFALSETRUE
ApprovalRuleEntry__c.Condition__cFALSETRUE
ApprovalRuleEntry__c.CriteriaFieldNames__cFALSETRUE
ApprovalRuleEntry__c.DependsOn__cFALSETRUE
ApprovalRuleEntry__c.Description__cFALSETRUE
ApprovalRuleEntry__c.Dimension1Value__cFALSETRUE
ApprovalRuleEntry__c.Dimension2Value__cFALSETRUE
ApprovalRuleEntry__c.Dimension3Value__cFALSETRUE
ApprovalRuleEntry__c.Dimension4Value__cFALSETRUE
ApprovalRuleEntry__c.Dimension5Value__cFALSETRUE
ApprovalRuleEntry__c.Dimension6Value__cFALSETRUE
ApprovalRuleEntry__c.EntryLabel__cFALSETRUE
ApprovalRuleEntry__c.IncludePrevious__cFALSETRUE
ApprovalRuleEntry__c.SelectValueType__cFALSETRUE
ApprovalRuleEntry__c.SelectValue__cFALSETRUE
ApprovalRule__c.Active__cFALSETRUE
ApprovalRule__c.ApprovalCount__cFALSETRUE
ApprovalRule__c.ApprovalPercent__cFALSETRUE
ApprovalRule__c.ApprovalPolicy__cFALSETRUE
ApprovalRule__c.BusinessObject__cFALSETRUE
ApprovalRule__c.ContinuePolicyApprovalOnAReject__cFALSETRUE
ApprovalRule__c.CriteriaFieldNames__cFALSETRUE
ApprovalRule__c.Criteria__cFALSETRUE
ApprovalRule__c.Description__cFALSETRUE
ApprovalRule__c.Dimension1Id__cFALSETRUE
ApprovalRule__c.Dimension1ValueType__cFALSETRUE
ApprovalRule__c.Dimension2Id__cFALSETRUE
ApprovalRule__c.Dimension2ValueType__cFALSETRUE
ApprovalRule__c.Dimension3Id__cFALSETRUE
ApprovalRule__c.Dimension3ValueType__cFALSETRUE
ApprovalRule__c.Dimension4Id__cFALSETRUE
ApprovalRule__c.Dimension4ValueType__cFALSETRUE
ApprovalRule__c.Dimension5Id__cFALSETRUE
ApprovalRule__c.Dimension5ValueType__cFALSETRUE
ApprovalRule__c.Dimension6Id__cFALSETRUE
ApprovalRule__c.Dimension6ValueType__cFALSETRUE
ApprovalRule__c.EffectiveDate__cFALSETRUE
ApprovalRule__c.ExpirationDate__cFALSETRUE
ApprovalRule__c.MatchRule__cFALSETRUE
ApprovalRule__c.RuleType__cFALSETRUE
ApprovalRule__c.StopProcessingMoreRules__cFALSETRUE
Approval_Matrix__c.Approval_Level__cFALSETRUE
Approval_Matrix__c.Approver_1_Authorized_Discount__cFALSETRUE
Approval_Matrix__c.Approver_1_Level__cFALSETRUE
Approval_Matrix__c.Approver_1__cFALSETRUE
Approval_Matrix__c.Approver_2_Authorized_Discount__cFALSETRUE
Approval_Matrix__c.Approver_2_Level__cFALSETRUE
Approval_Matrix__c.Approver_2__cFALSETRUE
Approval_Matrix__c.Approver_3_Authorized_Discount__cFALSETRUE
Approval_Matrix__c.Approver_3_Level__cFALSETRUE
Approval_Matrix__c.Approver_3__cFALSETRUE
Approval_Matrix__c.Approver_4_Authorized_Discount__cFALSETRUE
Approval_Matrix__c.Approver_4_Level__cFALSETRUE
Approval_Matrix__c.Approver_4__cFALSETRUE
Approval_Matrix__c.Approver_5_Authorized_Discount__cFALSETRUE
Approval_Matrix__c.Approver_5_Level__cFALSETRUE
Approval_Matrix__c.Approver_5__cFALSETRUE
Approval_Matrix__c.Approver_6_Authorized_Discount__cFALSETRUE
Approval_Matrix__c.Approver_6_Level__cFALSETRUE
Approval_Matrix__c.Approver_6__cFALSETRUE
Approval_Matrix__c.Description__cFALSETRUE
Approval_Matrix__c.Error_Log__cFALSETRUE
Approval_Matrix__c.Is_Active__cFALSETRUE
Approval_Matrix__c.Is_Valid__cFALSETRUE
Approval_Matrix__c.Matrix_Owner__cFALSETRUE
Approval_Matrix__c.Next_Level_Approver__cFALSETRUE
Approval_Matrix__c.User__cFALSETRUE
Approval_Process__c.Active__cFALSETRUE
Approval_Process__c.AdhocAllowApprovedRequestsToBeDeleted__cFALSETRUE
Approval_Process__c.AdhocAutoReapprovalStatusLabel__cFALSETRUE
Approval_Process__c.AdhocStepAutoReapprove__cFALSETRUE
Approval_Process__c.ApprovalCommentsMandatory__cFALSETRUE
Approval_Process__c.ApprovalSummaryPage__cFALSETRUE
Approval_Process__c.Assignment_Email_Template__cFALSETRUE
Approval_Process__c.BackupAdminUser__cFALSETRUE
Approval_Process__c.CancelPendingRequestsOnAReject__cFALSETRUE
Approval_Process__c.Cancellation_Email_Template__cFALSETRUE
Approval_Process__c.ChildObjectType__cFALSETRUE
Approval_Process__c.ConsolidateApprovals__cFALSETRUE
Approval_Process__c.ConsolidateNotifications__cFALSETRUE
Approval_Process__c.ContextType__cFALSETRUE
Approval_Process__c.ContinuePendingApprovalsOnAReject__cFALSETRUE
Approval_Process__c.CriteriaFieldNames__cFALSETRUE
Approval_Process__c.CustomMyApprovalsPage__cFALSETRUE
Approval_Process__c.CustomPreviewPage__cFALSETRUE
Approval_Process__c.DependsOn__cFALSETRUE
Approval_Process__c.Description__cFALSETRUE
Approval_Process__c.EntryCriteriaFilterLogic__cFALSETRUE
Approval_Process__c.Entry_Criteria_Active__cFALSETRUE
Approval_Process__c.Entry_Criteria_BoolOper__cFALSETRUE
Approval_Process__c.Entry_Criteria_Comparison_Type__cFALSETRUE
Approval_Process__c.Entry_Criteria_Field_Value__cFALSETRUE
Approval_Process__c.Entry_Criteria_Field__cFALSETRUE
Approval_Process__c.Entry_Criteria__cFALSETRUE
Approval_Process__c.Escalation_Email_Template__cFALSETRUE
Approval_Process__c.Final_Action_Field_Name_Source__cFALSETRUE
Approval_Process__c.Final_Action_Field_Name__cFALSETRUE
Approval_Process__c.Final_Action_Field_Update_Type__cFALSETRUE
Approval_Process__c.Final_Action_Field_Value__cFALSETRUE
Approval_Process__c.Final_Action_Type__cFALSETRUE
Approval_Process__c.Final_Approval_Action__cFALSETRUE
Approval_Process__c.Group_Action__cFALSETRUE
Approval_Process__c.Initial_Submission_Action_Type__cFALSETRUE
Approval_Process__c.Initial_Submission_Action__cFALSETRUE
Approval_Process__c.Initial_Submission_Field_Name_Source__cFALSETRUE
Approval_Process__c.Initial_Submission_Field_Name__cFALSETRUE
Approval_Process__c.Initial_Submission_Field_Value__cFALSETRUE
Approval_Process__c.IsAdhoc__cFALSETRUE
Approval_Process__c.NotifyOnly_Email_Template__cFALSETRUE
Approval_Process__c.Object_Label__cFALSETRUE
Approval_Process__c.Object_Name__cFALSETRUE
Approval_Process__c.Object_Type__cFALSETRUE
Approval_Process__c.OriginalInstanceProcessId__cFALSETRUE
Approval_Process__c.ProcessAutoEscalate__cFALSETRUE
Approval_Process__c.ProcessEscalateToId__cFALSETRUE
Approval_Process__c.ProcessEscalateToName__cFALSETRUE
Approval_Process__c.ProcessEscalateToType__cFALSETRUE
Approval_Process__c.ProcessExpectedDaysToComplete__cFALSETRUE
Approval_Process__c.ProcessExpectedHoursToComplete__cFALSETRUE
Approval_Process__c.ProcessExpectedMinutesToComplete__cFALSETRUE
Approval_Process__c.Process_Name__cFALSETRUE
Approval_Process__c.Reassignment_Email_Template__cFALSETRUE
Approval_Process__c.RejectionCommentsMandatory__cFALSETRUE
Approval_Process__c.Reminder_Email_Template__cFALSETRUE
Approval_Process__c.Send_Email__cFALSETRUE
Approval_Process__c.Sequence__cFALSETRUE
Approval_Process__c.StepAutoEscalate__cFALSETRUE
Approval_Process__c.StepAutoReapprovalCriteria__cFALSETRUE
Approval_Process__c.StepAutoReapprove__cFALSETRUE
Approval_Process__c.StepCarbonCopyAssigneeIds__cFALSETRUE
Approval_Process__c.StepCarbonCopyUser__cFALSETRUE
Approval_Process__c.StepDisplayFieldNameHeader__cFALSETRUE
Approval_Process__c.StepDisplayFieldNames__cFALSETRUE
Approval_Process__c.StepEscalateToId__cFALSETRUE
Approval_Process__c.StepEscalateToName__cFALSETRUE
Approval_Process__c.StepEscalateToType__cFALSETRUE
Approval_Process__c.StepExpectedDaysToComplete__cFALSETRUE
Approval_Process__c.StepExpectedHoursToComplete__cFALSETRUE
Approval_Process__c.StepExpectedMinutesToComplete__cFALSETRUE
Approval_Process__c.StepFilterConditionDescription__cFALSETRUE
Approval_Process__c.StepFilterLogic__cFALSETRUE
Approval_Process__c.StepKeyFieldNames__cFALSETRUE
Approval_Process__c.StepLabel__cFALSETRUE
Approval_Process__c.StepRemindersActive__cFALSETRUE
Approval_Process__c.StepSequence__cFALSETRUE
Approval_Process__c.StepSkipUnresolvedAssignee__cFALSETRUE
Approval_Process__c.StepSubmissionComment1Enabled__cFALSETRUE
Approval_Process__c.StepSubmissionComment2Enabled__cFALSETRUE
Approval_Process__c.StepSubmissionComment3Enabled__cFALSETRUE
Approval_Process__c.StepSubmissionCommentsEnabled__cFALSETRUE
Approval_Process__c.StepType__cFALSETRUE
Approval_Process__c.Step_Active__cFALSETRUE
Approval_Process__c.Step_Approver_Type__cFALSETRUE
Approval_Process__c.Step_Assignee_Description__cFALSETRUE
Approval_Process__c.Step_Assignee_Id__cFALSETRUE
Approval_Process__c.Step_Assignee_Type__cFALSETRUE
Approval_Process__c.Step_Assignee__cFALSETRUE
Approval_Process__c.Step_Auto_Complete__cFALSETRUE
Approval_Process__c.Step_Filter_BoolOper__cFALSETRUE
Approval_Process__c.Step_Filter_Comments__cFALSETRUE
Approval_Process__c.Step_Filter_Comparison_Type__cFALSETRUE
Approval_Process__c.Step_Filter_Field_Number__cFALSETRUE
Approval_Process__c.Step_Filter_Field_Object_Source__cFALSETRUE
Approval_Process__c.Step_Filter_Field_Object__cFALSETRUE
Approval_Process__c.Step_Filter_Field_Value_Object_Source__cFALSETRUE
Approval_Process__c.Step_Filter_Field_Value_Object__cFALSETRUE
Approval_Process__c.Step_Filter_Field_Value__cFALSETRUE
Approval_Process__c.Step_Filter_Field__cFALSETRUE
Approval_Process__c.Step_Filter__cFALSETRUE
Approval_Process__c.Step_Group_Action_Field_Name_Source__cFALSETRUE
Approval_Process__c.Step_Group_Action_Field_Name__cFALSETRUE
Approval_Process__c.Step_Group_Action_Field_Update_Type__cFALSETRUE
Approval_Process__c.Step_Group_Action_Field_Value__cFALSETRUE
Approval_Process__c.Step_Group_Action_Type__cFALSETRUE
Approval_Process__c.Step_Group_Action__cFALSETRUE
Approval_Process__c.Step_Group_Active__cFALSETRUE
Approval_Process__c.Step_Group_Name__cFALSETRUE
Approval_Process__c.Step_Group_Rejection_Action__cFALSETRUE
Approval_Process__c.Step_Group_Seq_Number__cFALSETRUE
Approval_Process__c.Step_Group__cFALSETRUE
Approval_Process__c.Step_Hierarchy_Driver__cFALSETRUE
Approval_Process__c.Step_Name__cFALSETRUE
Approval_Process__c.Step_Notify_Only__cFALSETRUE
Approval_Process__c.Step_Seq_Number__cFALSETRUE
Approval_Process__c.Step__cFALSETRUE
Approval_Process__c.SubmissionComment1Label__cFALSETRUE
Approval_Process__c.SubmissionComment2Label__cFALSETRUE
Approval_Process__c.SubmissionComment3Label__cFALSETRUE
Approval_Process__c.SubmissionCommentsEnabledCount__cFALSETRUE
Approval_Process__c.SubmissionCommentsEnabled__cFALSETRUE
Approval_Process__c.SubmissionCommentsMandatory__cFALSETRUE
Approval_Process__c.SubmissionCommentsPerStep__cFALSETRUE
Approval_Process__c.SubmissionCommentsType__cFALSETRUE
Approval_Request_History__c.Action_Approve_Id__cTRUETRUE
Approval_Request_History__c.Action_Reassign_Id__cTRUETRUE
Approval_Request_History__c.Action__cFALSETRUE
Approval_Request_History__c.Active__cTRUETRUE
Approval_Request_History__c.ActualApproverName__cFALSETRUE
Approval_Request_History__c.Actual_Approver__cTRUETRUE
Approval_Request_History__c.AgreementLineItemId__cTRUETRUE
Approval_Request_History__c.ApprovalCount__cTRUETRUE
Approval_Request_History__c.ApprovalFromEmail__cTRUETRUE
Approval_Request_History__c.ApprovalPercent__cTRUETRUE
Approval_Request_History__c.ApprovalPolicy__cTRUETRUE
Approval_Request_History__c.Approval_Process__cTRUETRUE
Approval_Request_History__c.Approval_Status__cTRUETRUE
Approval_Request_History__c.Approver_Comments__cTRUETRUE
Approval_Request_History__c.Assigned_To_Id__cTRUETRUE
Approval_Request_History__c.Assigned_To_Link__cFALSETRUE
Approval_Request_History__c.Assigned_To_Name__cTRUETRUE
Approval_Request_History__c.Assigned_To_Type__cTRUETRUE
Approval_Request_History__c.Assigned_To__cTRUETRUE
Approval_Request_History__c.AutoEscalate__cTRUETRUE
Approval_Request_History__c.AutoReapprove__cTRUETRUE
Approval_Request_History__c.Auto_Complete__cTRUETRUE
Approval_Request_History__c.Backup_From_User__cTRUETRUE
Approval_Request_History__c.CanEscalate__cTRUETRUE
Approval_Request_History__c.CarbonCopyAssigneeIds__cTRUETRUE
Approval_Request_History__c.ChildObjectId__cTRUETRUE
Approval_Request_History__c.ChildObjectLink__cFALSETRUE
Approval_Request_History__c.ChildObjectName__cTRUETRUE
Approval_Request_History__c.ChildObjectRefId__cTRUETRUE
Approval_Request_History__c.ChildObjectType__cTRUETRUE
Approval_Request_History__c.ContinuePolicyApprovalOnAReject__cTRUETRUE
Approval_Request_History__c.CriteriaFieldNames__cTRUETRUE
Approval_Request_History__c.DateApproved__cTRUETRUE
Approval_Request_History__c.DateAssigned__cTRUETRUE
Approval_Request_History__c.DateCancelled__cTRUETRUE
Approval_Request_History__c.DateEscalated__cTRUETRUE
Approval_Request_History__c.DateReassigned__cTRUETRUE
Approval_Request_History__c.DateRejected__cTRUETRUE
Approval_Request_History__c.Date__cTRUETRUE
Approval_Request_History__c.DelegateApproverIds__cTRUETRUE
Approval_Request_History__c.DelegateApproverNames__cTRUETRUE
Approval_Request_History__c.DelegateApprover__cTRUETRUE
Approval_Request_History__c.DependsOn__cTRUETRUE
Approval_Request_History__c.EscalateToChain__cTRUETRUE
Approval_Request_History__c.EscalateToId__cTRUETRUE
Approval_Request_History__c.EscalateToName__cTRUETRUE
Approval_Request_History__c.EscalateToType__cTRUETRUE
Approval_Request_History__c.EscalatedToHighestLevel__cTRUETRUE
Approval_Request_History__c.ExpectedCompletionDate__cTRUETRUE
Approval_Request_History__c.ExpectedDaysToComplete__cTRUETRUE
Approval_Request_History__c.ExpectedHoursToComplete__cTRUETRUE
Approval_Request_History__c.ExpectedMinutesToComplete__cTRUETRUE
Approval_Request_History__c.Group_Unique_Id__cTRUETRUE
Approval_Request_History__c.Group__cTRUETRUE
Approval_Request_History__c.HasAttachments__cTRUETRUE
Approval_Request_History__c.HasDelegateApprover__cTRUETRUE
Approval_Request_History__c.InEscalation__cTRUETRUE
Approval_Request_History__c.Initial_Submitter__cTRUETRUE
Approval_Request_History__c.Internal_Comments__cTRUETRUE
Approval_Request_History__c.IsAdhocProcess__cTRUETRUE
Approval_Request_History__c.IsAdhoc__cTRUETRUE
Approval_Request_History__c.IsAutoReapprovalEnabled__cTRUETRUE
Approval_Request_History__c.IsSubprocess__cTRUETRUE
Approval_Request_History__c.Notify_Only__cTRUETRUE
Approval_Request_History__c.ObjectRefId__cTRUETRUE
Approval_Request_History__c.Object_Id_Link__cFALSETRUE
Approval_Request_History__c.Object_Id__cTRUETRUE
Approval_Request_History__c.Object_Name__cTRUETRUE
Approval_Request_History__c.Object_Type__cTRUETRUE
Approval_Request_History__c.ParentRequestId__cTRUETRUE
Approval_Request_History__c.Parent_Agreement__cTRUETRUE
Approval_Request_History__c.PrevAssignedToId__cTRUETRUE
Approval_Request_History__c.PrevAssignedToName__cTRUETRUE
Approval_Request_History__c.PrevAssignedToType__cTRUETRUE
Approval_Request_History__c.ProcessInstanceId__cTRUETRUE
Approval_Request_History__c.Rejection_Action__cTRUETRUE
Approval_Request_History__c.Related_Agreement_Owner__cTRUETRUE
Approval_Request_History__c.Related_Agreement_Requestor__cTRUETRUE
Approval_Request_History__c.Related_Agreement_Term_Exception__cTRUETRUE
Approval_Request_History__c.Related_Agreement__cTRUETRUE
Approval_Request_History__c.Related_Opportunity_Owner__cTRUETRUE
Approval_Request_History__c.Related_Opportunity__cTRUETRUE
Approval_Request_History__c.RequestType__cTRUETRUE
Approval_Request_History__c.Request_Comments__cTRUETRUE
Approval_Request_History__c.SendReminders__cTRUETRUE
Approval_Request_History__c.Send_Email__cTRUETRUE
Approval_Request_History__c.SequenceString__cFALSETRUE
Approval_Request_History__c.Sequence__cTRUETRUE
Approval_Request_History__c.Status_Link__cFALSETRUE
Approval_Request_History__c.StepLabel__cTRUETRUE
Approval_Request_History__c.StepNameLink__cFALSETRUE
Approval_Request_History__c.StepSequenceString__cFALSETRUE
Approval_Request_History__c.StepSequence__cTRUETRUE
Approval_Request_History__c.Step_Group_Seq_Number__cTRUETRUE
Approval_Request_History__c.Step_Name__cTRUETRUE
Approval_Request_History__c.Step__cTRUETRUE
Approval_Request_History__c.SubmissionComment1__cTRUETRUE
Approval_Request_History__c.SubmissionComment2__cTRUETRUE
Approval_Request_History__c.SubmissionComment3__cTRUETRUE
Approval_Request_History__c.SubprocessDependsOn__cTRUETRUE
Approval_Request_History__c.SubprocessName__cTRUETRUE
Approval_Request_History__c.SubprocessSequence__cTRUETRUE
Approval_Request_History__c.SubstepDependsOn__cTRUETRUE
Approval_Request_History__c.SubstepName__cTRUETRUE
Approval_Request_History__c.SubstepSequence__cTRUETRUE
Approval_Request_History__c.Workflow_Trigger_Added_Comments__cTRUETRUE
Approval_Request__c.Action_Approve_Id__cTRUETRUE
Approval_Request__c.Action_Prefix__cFALSETRUE
Approval_Request__c.Action_Reassign_Id__cTRUETRUE
Approval_Request__c.Action__cFALSETRUE
Approval_Request__c.Active__cTRUETRUE
Approval_Request__c.ActualApproverName__cFALSETRUE
Approval_Request__c.Actual_Approver__cTRUETRUE
Approval_Request__c.AgreementLineItemId__cTRUETRUE
Approval_Request__c.ApprovalCount__cTRUETRUE
Approval_Request__c.ApprovalFromEmail__cTRUETRUE
Approval_Request__c.ApprovalPercent__cTRUETRUE
Approval_Request__c.ApprovalPolicy__cTRUETRUE
Approval_Request__c.Approval_Process__cTRUETRUE
Approval_Request__c.Approval_Status__cTRUETRUE
Approval_Request__c.Approver_Comments__cTRUETRUE
Approval_Request__c.Assigned_To_Id__cTRUETRUE
Approval_Request__c.Assigned_To_Link__cFALSETRUE
Approval_Request__c.Assigned_To_Name__cTRUETRUE
Approval_Request__c.Assigned_To_Type__cTRUETRUE
Approval_Request__c.Assigned_To__cTRUETRUE
Approval_Request__c.AutoEscalate__cTRUETRUE
Approval_Request__c.AutoReapprove__cTRUETRUE
Approval_Request__c.Auto_Complete__cTRUETRUE
Approval_Request__c.Backup_From_User__cTRUETRUE
Approval_Request__c.CanEscalate__cTRUETRUE
Approval_Request__c.CarbonCopyAssigneeIds__cTRUETRUE
Approval_Request__c.ChildObjectId__cTRUETRUE
Approval_Request__c.ChildObjectLink__cFALSETRUE
Approval_Request__c.ChildObjectName__cTRUETRUE
Approval_Request__c.ChildObjectRefId__cTRUETRUE
Approval_Request__c.ChildObjectType__cTRUETRUE
Approval_Request__c.ContinuePolicyApprovalOnAReject__cTRUETRUE
Approval_Request__c.CriteriaFieldNames__cTRUETRUE
Approval_Request__c.DateApproved__cTRUETRUE
Approval_Request__c.DateAssigned__cTRUETRUE
Approval_Request__c.DateCancelled__cTRUETRUE
Approval_Request__c.DateEscalated__cTRUETRUE
Approval_Request__c.DateReassigned__cTRUETRUE
Approval_Request__c.DateRejected__cTRUETRUE
Approval_Request__c.Date__cTRUETRUE
Approval_Request__c.DelegateApproverIds__cTRUETRUE
Approval_Request__c.DelegateApproverNames__cTRUETRUE
Approval_Request__c.DelegateApprover__cTRUETRUE
Approval_Request__c.DependsOn__cTRUETRUE
Approval_Request__c.EscalateToChain__cTRUETRUE
Approval_Request__c.EscalateToId__cTRUETRUE
Approval_Request__c.EscalateToName__cTRUETRUE
Approval_Request__c.EscalateToType__cTRUETRUE
Approval_Request__c.EscalatedToHighestLevel__cTRUETRUE
Approval_Request__c.ExpectedCompletionDate__cTRUETRUE
Approval_Request__c.ExpectedDaysToComplete__cTRUETRUE
Approval_Request__c.ExpectedHoursToComplete__cTRUETRUE
Approval_Request__c.ExpectedMinutesToComplete__cTRUETRUE
Approval_Request__c.Group_Unique_Id__cTRUETRUE
Approval_Request__c.Group__cTRUETRUE
Approval_Request__c.HasAttachments__cTRUETRUE
Approval_Request__c.HasDelegateApprover__cTRUETRUE
Approval_Request__c.InEscalation__cTRUETRUE
Approval_Request__c.Initial_Submitter__cTRUETRUE
Approval_Request__c.Internal_Comments__cTRUETRUE
Approval_Request__c.IsAdhocProcess__cTRUETRUE
Approval_Request__c.IsAdhoc__cTRUETRUE
Approval_Request__c.IsAutoReapprovalEnabled__cTRUETRUE
Approval_Request__c.IsSubprocess__cTRUETRUE
Approval_Request__c.Notify_Only__cTRUETRUE
Approval_Request__c.ObjectRefId__cTRUETRUE
Approval_Request__c.Object_Id_Link__cFALSETRUE
Approval_Request__c.Object_Id__cTRUETRUE
Approval_Request__c.Object_Name__cTRUETRUE
Approval_Request__c.Object_Type__cTRUETRUE
Approval_Request__c.ParentRequestId__cTRUETRUE
Approval_Request__c.Parent_Agreement__cTRUETRUE
Approval_Request__c.PrevAssignedToId__cTRUETRUE
Approval_Request__c.PrevAssignedToName__cTRUETRUE
Approval_Request__c.PrevAssignedToType__cTRUETRUE
Approval_Request__c.ProcessInstanceId__cTRUETRUE
Approval_Request__c.Rejection_Action__cTRUETRUE
Approval_Request__c.Related_Agreement_Owner__cTRUETRUE
Approval_Request__c.Related_Agreement_Requestor__cTRUETRUE
Approval_Request__c.Related_Agreement_Term_Exception__cTRUETRUE
Approval_Request__c.Related_Agreement__cTRUETRUE
Approval_Request__c.Related_Opportunity_Owner__cTRUETRUE
Approval_Request__c.Related_Opportunity__cTRUETRUE
Approval_Request__c.RequestType__cTRUETRUE
Approval_Request__c.Request_Comments__cTRUETRUE
Approval_Request__c.SendReminders__cTRUETRUE
Approval_Request__c.Send_Email__cTRUETRUE
Approval_Request__c.SequenceString__cFALSETRUE
Approval_Request__c.Sequence__cTRUETRUE
Approval_Request__c.Status_Link__cFALSETRUE
Approval_Request__c.StepLabel__cTRUETRUE
Approval_Request__c.StepNameLink__cFALSETRUE
Approval_Request__c.StepSequenceString__cFALSETRUE
Approval_Request__c.StepSequence__cTRUETRUE
Approval_Request__c.Step_Group_Seq_Number__cTRUETRUE
Approval_Request__c.Step_Name__cTRUETRUE
Approval_Request__c.Step__cTRUETRUE
Approval_Request__c.SubmissionComment1__cTRUETRUE
Approval_Request__c.SubmissionComment2__cTRUETRUE
Approval_Request__c.SubmissionComment3__cTRUETRUE
Approval_Request__c.SubprocessDependsOn__cTRUETRUE
Approval_Request__c.SubprocessName__cTRUETRUE
Approval_Request__c.SubprocessSequence__cTRUETRUE
Approval_Request__c.SubstepDependsOn__cTRUETRUE
Approval_Request__c.SubstepName__cTRUETRUE
Approval_Request__c.SubstepSequence__cTRUETRUE
Approval_Request__c.Workflow_Trigger_Added_Comments__cTRUETRUE
Apttus__APTS_Admin__c.Apttus__Code__cFALSETRUE
Apttus__APTS_Admin__c.Apttus__Value__cFALSETRUE
Apttus__APTS_Agreement__c.Approval_Status__cTRUETRUE
Apttus__APTS_Agreement__c.LineItem_Approval_Status__cTRUETRUE
Apttus__APTS_Agreement__c.Term_Exception_Approval_Status__cTRUETRUE
Apttus__Term_Exception__c.Apttus__Active__cFALSETRUE
Apttus__Term_Exception__c.Apttus__Agreement_Types__cFALSETRUE
Apttus__Term_Exception__c.Apttus__Approval_Required__cFALSETRUE
Apttus__Term_Exception__c.Apttus__Description__cFALSETRUE
Apttus__Term_Exception__c.Apttus__Exception_Type__cFALSETRUE
Apttus__Term_Exception__c.Apttus__ReferenceId__cFALSETRUE
AsyncActionInfo__c.AsyncActionJobId__cTRUETRUE
AsyncActionInfo__c.EndTime__cTRUETRUE
AsyncActionInfo__c.ErrorMsgInfo__cTRUETRUE
AsyncActionInfo__c.ErrorStackInfo__cTRUETRUE
AsyncActionInfo__c.ObjectName__cTRUETRUE
AsyncActionInfo__c.StartTime__cTRUETRUE
AsyncActionInfo__c.Status__cTRUETRUE
AsyncActionInfo__c.SubmitTime__cTRUETRUE
AsyncActionInfo__c.Submitter__cTRUETRUE
Backup_Approver__c.Backup_Action__cFALSETRUE
Backup_Approver__c.Backup_User__cTRUETRUE
Backup_Approver__c.Cancellation_Date__cTRUETRUE
Backup_Approver__c.Comment__cTRUETRUE
Backup_Approver__c.Current_User__cTRUETRUE
Backup_Approver__c.DelegateUserIds__cTRUETRUE
Backup_Approver__c.Effective_Date__cTRUETRUE
Backup_Approver__c.Expiration_Date__cTRUETRUE
Backup_Approver__c.InEffect__cTRUETRUE
Backup_Approver__c.IsActive__cTRUETRUE
Backup_Approver__c.IsDelegate__cTRUETRUE
Backup_Approver__c.SuppressDelegateNotification__cTRUETRUE
Backup_Approver__c.Transfer_in_flight__cTRUETRUE
FormulaField__c.BusinessObject__cFALSETRUE
FormulaField__c.Description__cFALSETRUE
FormulaField__c.Formula__cFALSETRUE
FormulaField__c.Type__cFALSETRUE
Global_Discount_Policy__c.Approval_Level__cFALSETRUE
Global_Discount_Policy__c.Authorized_Discount_Percent__cFALSETRUE
Global_Discount_Policy__c.Description__cFALSETRUE
Opportunity.Approval_Status__cTRUETRUE
ReminderInstance__c.ApprovalRequestId__cTRUETRUE
ReminderInstance__c.Completed__cTRUETRUE
ReminderInstance__c.Label__cTRUETRUE
ReminderInstance__c.ProcessStepId__cTRUETRUE
ReminderInstance__c.ScheduledFireTime__cTRUETRUE
ReminderInstance__c.Status__cTRUETRUE
ReminderInstance__c.StepSequence__cTRUETRUE
ReminderInstance__c.StepType__cTRUETRUE
ReminderInstance__c.SubprocessRuleEntryAssigneeId__cTRUETRUE
ReminderInstance__c.SubprocessRuleEntryAssigneeSeq__cTRUETRUE
Reminder__c.DurationUnit__cFALSETRUE
Reminder__c.DurationValue__cFALSETRUE
Reminder__c.Label__cFALSETRUE
Reminder__c.ProcesssStepId__cFALSETRUE
Reminder__c.StepSequence__cFALSETRUE
Reminder__c.StepType__cFALSETRUE
Reminder__c.SubprocessRuleEntryAssigneeId__cFALSETRUE
Reminder__c.SubprocessRuleEntryAssigneeSeq__cFALSETRUE
Reminder__c.SubprocessRuleEntryId__cFALSETRUE
SearchFilter__c.BusinessObject__cFALSETRUE
SearchFilter__c.CriteriaFieldNames__cFALSETRUE
SearchFilter__c.Criteria__cFALSETRUE
SearchFilter__c.Description__cFALSETRUE
SearchFilter__c.Sequence__cFALSETRUE
SearchFilter__c.UseType__cFALSETRUE
Term_Exception_Approval_Condition__c.Active__cTRUETRUE
Term_Exception_Approval_Condition__c.Description__cTRUETRUE
Term_Exception_Approval_Condition__c.Field__cTRUETRUE
Term_Exception_Approval_Condition__c.Join__cTRUETRUE
Term_Exception_Approval_Condition__c.Number__cTRUETRUE
Term_Exception_Approval_Condition__c.Object_Qualifier__cTRUETRUE
Term_Exception_Approval_Condition__c.Object__cTRUETRUE
Term_Exception_Approval_Condition__c.Operator__cTRUETRUE
Term_Exception_Approval_Condition__c.TermExceptionApprovalId__cTRUETRUE
Term_Exception_Approval_Condition__c.Term_Exception_Approval__cTRUETRUE
Term_Exception_Approval_Condition__c.Value__cTRUETRUE
Term_Exception_Approval__c.Active__cTRUETRUE
Term_Exception_Approval__c.Assignee_Description__cTRUETRUE
Term_Exception_Approval__c.Assignee_Id__cTRUETRUE
Term_Exception_Approval__c.Assignee_Type__cTRUETRUE
Term_Exception_Approval__c.Assignee_User__cTRUETRUE
Term_Exception_Approval__c.AutoEscalate__cTRUETRUE
Term_Exception_Approval__c.DependsOn__cTRUETRUE
Term_Exception_Approval__c.EscalateToChain__cTRUETRUE
Term_Exception_Approval__c.EscalateToId__cTRUETRUE
Term_Exception_Approval__c.EscalateToName__cTRUETRUE
Term_Exception_Approval__c.EscalateToType__cTRUETRUE
Term_Exception_Approval__c.ExpectedDaysToComplete__cTRUETRUE
Term_Exception_Approval__c.ExpectedHoursToComplete__cTRUETRUE
Term_Exception_Approval__c.ExpectedMinutesToComplete__cTRUETRUE
Term_Exception_Approval__c.FilterLogic__cTRUETRUE
Term_Exception_Approval__c.Notify_Only__cTRUETRUE
Term_Exception_Approval__c.Send_Email__cTRUETRUE
Term_Exception_Approval__c.Sequence__cTRUETRUE
Term_Exception_Approval__c.SkipUnresolvedAssignee__cTRUETRUE

For information on field permissions, refer to this Salesforce article.