Invoices on Zenduty is only visible to the account owners. Following are the steps to view your invoices:

1. Login to Zenduty as the account owner
2. In the top right of the Zenduty dashboard, click on the dropdown under your name and click on "Account"
3. Navigate to Billing History
4. You will see the list of invoices under your account. You can download any of your invoices for later use.