If you see multiple sales in your Amazon Associates account but cannot tell which items sold, this is an Amazon reporting rule, not a Scaled Creator setting.
Amazon requires 4 sales of the same exact item before it will display which product it was. Below that threshold the report shows earnings but not the item.
The second reason is halo sales. Affiliates earn commission on anything the buyer adds to their cart after clicking the affiliate link, not just the promoted product, so the report will include items you never promoted.
How the Amazon cookie works: Standard window lasts 24 hours from the initial click and ends early if the shopper checks out or clicks another affiliate's link. Cart extension: if they add an item to their cart within that 24 hour window, the cookie for that specific item extends to 90 days, as long as they purchase it before the cart expires.