Get Elementor Page Builder: http://gotechug.com/elementor
Here is a simple way to add Facebook comments to posts or pages using elementor without adding another plugin.
Yes, the Facebook comments widget comes only with Elementor pro plugin but its worthy every penny you put in.
You’ll have a great number of possibilities like I show in the video.
All you need is, a page or post created using elementor, then, you’ll need elementor pro that is if you don’t have it. After you’ll be good to go.
Follow this short tutorial on how to enable this.
Enjoy