Microsoft disclose a new feature of power Bi services for admin role portal for office 365 only. It will allow you to view usage data and controls sets and deadlines on how Power BI is used all over the organization. Today Microsoft disclose the contemporary Power BI service administrator role, which can be empowered to the user who should have permission to the Power BI Admin Portal without also acknowledging them other office 365 admin access.
You may use the below PowerShell command below to assign the Power BI Service Admin Role, This component for the office 365 will be released to office admin center by the end of the year.
Add-MsolRoleMember -RoleMemberEmailAddress “email@example.com” -RoleName “Power BI Service Administrator”
For more details visit: https://mspoweruser.com/microsoft-announces-new-power-bi-service-administrator-role/