Here is a little project I've been working on which can edit word documents and returns the output with track changes in Word on so that they can be reviewed/accepted.
https://github.com/Bradybry/gpt-writing-assistant
Still has some kinks, some of which are beyond my capabilities. But it works great on most things.
Edit the preamble.txt file to change the behaviour of the editor. It can replace specific information and be adapted to do some pretty in-depth editing.