1. Before you start
Make sure your Salesforce user has the Manage Billing Permission.
2. Login into the AppExchange
Navigate to: https://appexchange.salesforce.com
Click on the "Log In" button
Make sure you ONLY ever use the login as Salesforce. Other options may not work.
3. Select My Installs and Subscriptions
Click on your avatar in the top right hand corner (1), then select "My Installs & Subscriptions" menu item (2).
4. Select Manage Subscriptions for AAkonsult Campaign Status
Select the drop down arrow next to AAkonsult Campaign Status (1), then select "Manage Subscription" menu item.
5. Scroll to Payment History
Scroll down until you see the Payment History. Locate the Invoice of interest and click to review.