Only the Team Owner has access to Billing information, with the ability to change payment details and subscription preferences.
 
        AM Pro Teams - Edit billing email
Select Teams (1) > Am Pro Teams (2) > Manage Account (3)
Then click on the edit symbol next to your Billing email (4), enter the new email address and click update (5).
If clicking on the edit symbol next to Payment Method (6) within the Astute Manager, you will be taken to a web browser to log in to your account there.
 
        AM Pro Teams - Update payment method
Now enter your new payment details and click on Update payment method (7) to complete the change.