To find more details about an invoice you can do the following. 

1. Click the Pay Invoice.    When you click that it will take you to the invoice. (You can not pay an invoice if its already been paid.)

2. After clicking on Pay Invoice you will get either a place to enter payment info or it will show the invoice is paid. You can also view the actual invoice that has more detailed info on about the service. 

3. Click View Invoice to get detailed info abou the service and a copy you can print or save for your records.