I with I could copy paste frames over to a new page, or a new file (btw why can’t you move a page to a different file 
), and have the comments come with!
Also my comments seem to be buggy, and they don’t stay with a specific internal frame or component, they maintain a fixed position in my outermost frame. So I can’t attach a comment to a specific field on the page and have it maintain that connection if the designer moves items around on the page. Some people say their comments stay attached to individual items, but mine never have.