Your customer can give a comment for the post which is interested. And All comments of your customers will be managed in the back-end. You can delete comment or change status (enable, disable or pending) for each comment.

Watch the video below for a quick overview of how it works by Blog Extension for Magento 2:

How to send comments on post detail page by Blog extension for Magento 2? from Cmsmart Netbase on Vimeo.

If you need any help figuring out please feel free to Contact us and we will be happy to help.