In the WP dashboard, Administrator has permission to manage all invoices (you can refer Invoices Management section for more details on how to manage all invoices).

Invoice on the frontend

Administrator has permission to manage all invoices by setting invoice status from Not Paid to Paid after confirmed payment from user, administrator can also edit or view invoice from list as below.

From WP dashboard, go to Essential Real Estate –> Real Estate Options –> Invoices
Invoices panel has all options where you will be able to insert invoice extra informations.