How to approve or delete comments so they appear on your blog.
If you have comments to approve, you will see the above message in orange when you log in to Blogger. Click on it.
You can get to the same place by click on your blog name, and then by clicking on Comments and Awaiting moderation.
Hover over the comment and you have the choice to publish, delete or report as spam. After you click Publish, the comment will appear on your blog.