Regarding whether you can vault your credit/debit card or ACH* account to make payments for User IDs under you, this can be done in the portal. There you can see all of your offices listed in one area, as well as access the Wallet for each specific office by simply clicking the green + symbol. From there, you can vault your credit card to add amounts to the User ID selected.
If you have an Account Level Wallet, you also have the ability to vault a card and opt to pay for ALL fees for ALL users under your account. This, too, is accessed through the portal and done by selecting the Manage Account Payment Options button, then clicking the Program Services tab. Here, you’ll find options to use this Wallet to pay for all of the offices under your account.