All BU Checkbox - Expense Processing

Hello,

We are on Expenses 9.0.  For Expense Processing (Travel & Expenses > Process Expenses > Expense Processing), I am unable to check the "All Business Units" checkbox when trying to stage or post expense reports.

I checked security, and add/update access is setup. Is there something else that would prevent me from checking that box? Right now, we just manually add BUs as needed, but checking for all is preferred.

Thank you

Peter