The Audience Details screen allows you to view the specific details of an audience such as its status, demographics, and predefined audience segments.
You can also directly edit the audience by clicking .
About the Insights Panel
The Insights panel displays the monthly reach estimates of the audience. This data is broken into Monthly Device Estimates which displays data per device type and the Monthly Request Estimates which displays data per ad type. In addition, the Publisher list allows you to see publisher-level MAU reach for every audience.