Setting Up the Backup Administrator
The backup admin user is responsible for handling routing issues that occur during the approval process. Admin profiles enable you to associate users with admin-level access by role.
When an appropriate user cannot be found to handle an approval request, designating administrators ensures the approval process can still be completed. Because these users may be responsible for administrative tasks, make sure they have access to the objects in your Salesforce environment.
The backup admin user configured below is used globally. You can also designate a backup admin user for each approval process, which will be used instead of the global backup admin user.
To set up the Backup Admin user