Instagram gives you the ability to post photos to Facebook on both your personal profile as well as a business or fan page. If you have your Facebook account linked to Instagram you may notice that by default, Instagram also posts information to your timeline or page about what photos you like or comment on.
If you don't like this behavior, there's an easy way to disable it. Here's how:
That's it. Instagram will no longer automatically post information on photos you interact with on your Facebook profile or page.