Manage your account billing
Access outstanding invoices, payment history, and payment methods from My Account > Billing. In Outstanding Invoices, you have the option to pay an invoice due amount, and view a specific invoice and its data usage.
You must have the Billing option enabled for users to see their invoice and payment information. Enable Billing when adding or editing a user in My Account > Users. Alternatively, you can log a ticket and a member of the N-able team will be able to help you.