The link, below, runs through the current list of default reports available for Enterprise customers, with their included Power BI subscription.
New reports are added from time to time, as well as any customized reports requested to be created.
Customers with Lite/Team licenses can have the Power BI module added for a modest, monthly fee.
https://docs.google.com/presentation/d/1hvlSUoT3mdIWWmisvLIqwyKrCxlFJaaVPECsMYEtQnA/edit#slide=id.p