Hi Joseph thx a lot for question and it is nice to see you on our plugin forum! We do apologize that we did not answer earlier, we simply missed your question.
We are happy to answer this question about support pages and custom post types.
Answering the first and second topic this is not a bug. In free version we gave possibility to use for free the most used post type – “Post”. So, it is possible to review pages and other post types, but in pro version of our plugin. You may also check full capabilities of our plugin on page: https://themastercut.co/shop/revision-manager-tmc/
Today we have also update our plugin and we have add new option – possibility of quick test of sending message.
Have a great day!