One of the key benefits of an Enterprise agreement, beyond a discount, is that multiple teams and applications can be using a single agreement. This makes it easier to manage for the enterprise as a whole however the administrator may want to have better visual line of sight of who is doing what.,
Typically the enterprise administrator may be supporting internal billing to different teams, or even external billing.
Read here for more information on Azure Portals and Access Levels
The following tools will help you manage and monitor consumption of services and where there are deployed:
Example of the data provided is available here
Note from Partner : The data is pulled straight from EA API. Nothing is saved on the server