As a Global Administrator or Billing Administrator, you can navigate to the Billing page to view your bill or invoice details. To access billing features, launch the Microsoft 365 admin center (https://admin.microsoft.com) and select Billing from the navigation menu. You may need to select Show all at the bottom to see all of the menu options.

The Billing menu has several options, as the following screenshot shows:

From these options, you can purchase new services, review aggregate license details, and manage invoices and payment methods.