Get help with Sales, Subscriptions, Accounts and Billing
Administrator – Signing In with a Work or School Account
With the support of Azure Active Directory (AAD) tenants, additional sign-in options might be available to your organization. In many cases, the identity used by the administrator may be the same as what is used to log into the Volume Licensing Service Center (VLSC).
Refer to the Visual Studio Subscriptions: Administrator – Work School Account article for additional details