It sounds like you’re looking for guidance on using Final Draft’s Reader Mode specifically for reviewing or proofreading an essay.

Title: Distraction-Free Scripting: An Analysis of the “Reader Mode” Paradigm in Final Draft Screenwriting Software

offers a specific "Reader Mode Access" which is a free, view-and-comment-only mode for collaborators who do not have a paid subscription. Long Feature Management

Advanced Features Hidden Inside Reader Mode

Once you have entered Reader Mode, you aren't just locked out; you have access to specific tools that work better in a read-only environment.

How to activate it

Final Draft previously offered a standalone "Reader" app for iPad, designed for on-the-go reading.