Once you've installed the app into your store, sales orders that include products imported from League License will appear in your store orders section. Sales orders that include products imported from League License will also appear in the League License app. Note: we do not display products that were not imported from League License in the app sales order area. When you fulfill a sales order in League License, these become purchase orders from you to League License.
Go to Apps and click on League License.
Find an order you would like to fulfill. In the list view, on the right hand side of the order, click on the dots that bring up a menu and select Edit.
In the Edit Order page, at the bottom of the page on the left had side under Order Products, select "Seller License" in the dropdown menu.