Cannot see or assign all purchased seats of the license in the license portal. (4371116)

The license portal provides Roles Based Access Control feature to make the management of licenses and people using those licenses easier. 
 

• Contact your license administrator or person in charge of purchasing the license to obtain more information about the license.
• Verify the email account used to purchase the license. Login with that email account into the license portal to view and manage seats.
• Verify your other email accounts that may have been used to purchase or administer the account. Login to the license portal with other possible email accounts to view or manage seats.