You CAN do minor repairs on leather and faux leather goods, especially if you have the stitching holes already - just re-sew with thread (doubled or heavy duty) by hand.
This is a page about repairing scratches on leather furniture. Pets, children, and normal usage can result in scratches on your leather furniture.
With use, a leather sofa can develop worn spots that differ in color and finish from the rest of the piece. This is a page about touching up worn spots on a leather sofa.
Repairing faded spots on your leather couch may be difficult. Check out some possible solutions on this page. This is a page about fixing a faded leather couch.
This page is about repairing wear on a leather couch. Regular maintenance will help extend the life of upholstery covering your sofa.