You can oversee who can remark/comment and what sorts of remarks/comment readers can leave on your blog entries in Blogger. There is no restriction to the quantity of remarks you can have in a post.
To Set Your blogger blog Comments settings:
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Follow Below Steps To Set Your blogger blog comments settings
 Sign into Blogger.
 Select the blog you want to do the settings.
 In the left menu, select Settings > Posts, comments and sharing.
Set your comments area, who can comment/remark on your posts, and different settings:.
 Select Embedded, to permit you or perusers to react to different remarks on the post.
In "Who Can Comment," select Registered User to turn on remarking with OpenID and different records.
 Pick how regularly to support comments/remarks with Comment Moderation.
 Turn on Backlinks to demonstrate all connections to your blog entry on the Internet.
Click Save settings.
Read Also: How To Remove, Delete Old Post, Content In Blogger Blog
You can likewise turn on comments/remarks settings by post in the Post Editor, that's all.