Document Records Update/Change/Delete - ROLES ISSUE

Hello experts,

we are facing an issue regarding the management of Document Records for the custom role of employee and manager.

We created some DoR that should be visible to the employee and to the manager but can be managed only by the employee.

If we give to a user only the role of the manager, the set up work correct. WHile if we give to the user both the role of the manager and employee, then he become able to see and manage the document of his/her direct reports.

Based on the set-up the manager , if having the role of employee, should be able to manage his own document but