For an invoice to be valid, it should contain complete details, especially for accounting purposes.
Your OpenVPN account gives you control over what information displays on your invoices.
You can modify the name, company, address, email address, and contact information.
Once you are done making the necessary changes, you will need to click on Save.
After that, you can download the invoices in the Invoices tab.
You can also add your payment method under the Payment Methods tab.