Gravity Form Confirmation Message

Your [addtoany] shortcode is successfully showing share buttons right below the “Donate Now” buttons on that page. If you’re not seeing the buttons, see this FAQ for help troubleshooting your device/browser/connection.

As far as a confirmation message in Gravity Forms, we cannot troubleshoot premium plugins here. Try Gravity Forms’ support to see what needs to happen for a shortcode to work in that space.