Associates will want to know what commission they have earned. Whilst privacy concerns will prevent you from showing who or what exactly has been purchased, you can show the commission value and date.
Add an Account component to the site, and set the permissions such that Associates can View Page and see the Associates tab. This will give them their real-time statement.
The site administrator should also be given permission over this page, and will this be able to see all the Associates accounts, and to add in ad-hoc transactions. This is used to indicate to the system when payments have been sent to the Associates