Clickable image can be done in one of two ways: Use an Image object and
overlay with a button, use an ImageField and use the click event. I add
a sample for the first here with a transparent button
https://documentcloud.adobe.com/link/track?uri=urn:aaid:scds:US:543a474b-db79-4383-b5e1-0734e6c3cdd4Note
though, xfa.host.gotoURL will only work in browsers as you would expect.
And because most browsers cannot display XFA PDF we are talking IE11
only these days. If you click on the link button inside...