As online marketer we usually use an FB Page to help us market our products online. Having an Autoreply on FB Page is Great!
Autoreply is where someone who will click your FB sales page could get a reply automatically after liking the page and get started. It is pre written by you of which it could answer common questions of visitors on your page.
It is easier to have it because even you are not around, they could get answers from it.
Here is my recorded video to guide you on how to do it. Please watch below.