No, it is not required to have the shipping address for PayPal Pro.
In the eCart 6 wizard, on the shipping tab, you can uncheck the option to include the shipping fields in the checkout form.
Your friends over here at WebAssist! These Dreamweaver extensions will assist you in building unlimited, custom websites.
These out-of-the-box solutions provide you proven, tested applications that can be up and running now. Build a store, a gallery, or a web-based email solution.