There is nary mode arsenic specified to spot if users really entree the apps based connected the peculiar role. One happening you tin look astatine is 'Read Access Logging' application, which allows you to spot who has viewed immoderate peculiar data, but again it doesn't let you to find users accessing an app in a concern lawsuit similar this.
SAP Help Portal Read Access Logging
One much information present is to interaction your SAP Account Executive to spot if determination are immoderate analytics that tin beryllium provided via different method for a peculiar instance.
To show and comparison your license usage with your licence entitlement, you tin notation to SAP Help Portal License Compliance