Hide markup
This allows you to hide Comment Highlights, Footnote Highlights, Links, Highlight boxes around text. What you hide is in the option panel under the Appearance tab and textual marks options. You turn this on with the menu dropdown View> Text Editing> Hide Markup.
This will make the text appear cleaner when reading and editing, but the comments, links, footnotes still exist and the mouse will show information if hovered over them. This effects the main editor, page view and the composition mode. Using the menu to unclick with reverse (Alt + Shift + H)