How to repair area on microfiber couch?

Here's an article that might help you - https://www.hunker.com/12119911/how-to-repair-a-torn-microfiber-couch

If your car won't stop using the area, but a scratching board, like the ones you hang on a door on that area to keep from damaging it once repaired.

put double sticky tape over the area so she won't put her paws on it. or cover it with thick blanket when you leave the area. does she have nice thick solid tall scratching post something she can dig her claws into? do you trim her nails regularly(every few weeks)? when cats claws get long they grow a sheath over them cats scratch to remove the sheath,keeps them slender sharper. probably only fix for couch is replacing material in area or getting cover for couch. if you get cover put the thick cover/blanket under it over the areas she is scratching to stop further damages.

Heirloom Traditions makes a product called bond and flex, it's like car Bondo for leather and vinyl. You then use their finish all paint on top. https://www.hometalk.com/diy/repair/furniture/how-to-easily-repair-and-cover-cat-scratches-on-leather-furniture-25723001?expand_all_questions=1

https://www.hunker.com/13421888/how-to-hide-scratch-marks-on-a-microfiber-sofa