Hi Sam!
Thanks for getting in touch with us. Let me help you with this topic.
We don’t have any native support for page builders like Visual Composer. However, you should still be able to display events on pages created with it using widgets and shortcodes (Pro comes with some more advanced shortcodes).
As for using the Visual Composer editor inside the edit event page, I’m not very familiar on how Visual Composer works. Could you please share a copy of the plugin in a private reply? I’ll run some tests with it and see what I can find.
Thanks,
Victor