Are they torn? There are repair kits available.
Is the seat ripped?
Hello could you possibly post a photograph to better see your situation and area of concern?
Having a visual might be helpful to be able to offer the best guidance .....to a help find the best suggestions or potential solution for your DR chair problem.
You could use something like this leather repair tape: https://amazon.com/Leather-Repair-Adhesive-Handbags-Jackets/dp/B07M8PZB8S/
I've used 3M leather repair kits successfully. I get the ones that let you blend your own color for color matching. It takes some time and patience, but I've been happy with the results