1. Go to Setup > Create > Objects. The Custom Objects page is displayed. 
  2. Click the Quote/Proposal object link. The Quote/Proposal (Managed) page is displayed.
  3. In the Custom Fields & Relationships related list, click the Price List field link. The Price List (Managed) page is displayed.
  4. Click Set Field-Level Security. The Set Field-Level Security page is displayed.
  5. Select the Visible checkbox for the required profile and click Save. For example, Partner Community User Cloned.
  6. Repeat step 3 to 5 for the following fields and other required fields for the Quote/Proposal object:
    • Approval Stage
    • Approval Status
    • Opportunity
    • Account
    • Proposal Name 
  7. Repeat step 2 to 6 for the CPQ-related custom objects.

If you add or remove any field or object, you must configure field-level security for those fields and objects.