Here are some common reports you can build with the Event Logs object. If you can't see the 'Event Logs' report type in Salesforce reports, you will need to enable them. See this guide for how to do that.
What call recordings have been accessed?
Report type = Event Logs
Show Me = All event logs
Filter on Feature = Recording Access
Add in the columns: Natterbox User: Name, Date, Log Link, UUID
Optional:
You could group by Natterbox User or Date
You could use the report type ‘Event Logs with Natterbox User’ and filter on a custom Department field to only get a certain set of users.
What users have been deactivated?
Report type = Event Logs
Show Me = All event logs
Filter on Feature = User Deactivation
Add in the columns: Event Log: Owner Name, Date, Log Link, Description
Optional:
Add in Further Information
What users have been added to a Natterbox group?
Report type = Event Logs
Show Me = All event logs
Filter on Feature = Group
Add in the columns: Event Log: Owner Name, Date, Log Link, Description
Optional:
Add in Further Information, Natterbox User