Please make sure that you choose the correct type of license.
We provide two kinds of a license: Standard and Expanded.
Standard license permits you to use purchased Items for creation of Unlimited quantity of End Products for yourself and for your clients. If your client or you want to sell the End Product, then you have to buy Expanded License.
Expanded license permits you to use the purchased Item for creation of ONE unique salable End Product for yourself or for your client.