1. Click on "Rewards" on the Admin Dashboard
2. Under "Manage Invoices", click the blue "Edit" button across a specific Affiliate ,to whom you want to add the notes
3. In the next page, scroll down. First box is for internal comments for the yourself(Admin). Second box is for the Affiliate to see.
4. Add your notes and click "Update"
5. The Affiliate can go to "My Rewards" and click on "View Details"
6. The notes that you added appears as "Comments from Administrator"