The Affiliates manager plugin can be integrated with the LifterLMS plugin so you can reward affiliates for sending visitors to your store/site.
Step 1 (Install the Integration Addon Plugin)
Install the LifterLMS Integration addon.
Step 2 (Keep the Main Plugins Active)
Simply keep both the Affiliates Manager and the LifterLMS plugins active on your WordPress site.
When you receive orders in the LifterLMS plugin, the affiliate plugin will award commission to the appropriate affiliate (if the customer was referred by an affiliate).