There may be certain products for which you would like to allow your customers to use the Designer to personalize the product but you do not want to charge your customer money for the product or force the customer to pass through the standard purchase process.
The WooCommerce plugin allows you to create an ordinary WordPress Page which will display a button that allows your user to launch a Designer session. When the user completes the Designer session, he will be directed to a different WordPress Page which will display a button that allows your user to download the PDF created in the Designer. The process for implementation is as follows: