Hi @Edward Wang ,
To get Power BI admin portal access, you need to be assigned with the Power BI license and admin role. So, if you have been assigned with a Power BI license, you still need to contact your central IT team to assign you Power BI admin role via steps in this article: https://learn.microsoft.com/en-us/power-bi/admin/service-admin-role#assign-users-to-an-admin-role-in-the-microsoft-365-admin-center.
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