Can a senior leader view all reports for a department that roles up to them?

Summary:

As a financial institution we have regional managers that have a number of branches they are responsible for. When trying to view completion rates for compliance training for their district they can only see the information presented for either - just their direct reports (5 branch managers) or for all branches mixed together (more than 80 persons from the 5 branches). It would be beneficial for this manager to be able to have an additional option to view 'all reports' when viewing the team results for one of the branch managers. A less preferable (but still