Adam Saxton shares a video covering what is available in the MicrosoftPowerBIMgmt Powershell module:
The Power BI PowerShell and the Admin API allow you to quickly inventory your organization and manage workspaces and access. Forget the hastle of setting up the App registration within Azure Active Directory for API access, the Power BI PowerShell cmdlets take care of it for you. Just install and start using today!
Click through for that video.