To moderate comments follow this procedure:
1) Log in.
2) Go to Administer >> Content Management >> Comments (admin/content/commment).
3) Click on the subject of the comment in order to view it.
4) When you have read the comment and determined whether it is appropriate, click the "back" button on your browser to return to the approval queue.
5) Select the option of publishing or deleting the comment in the "Update Options" field.
6) Check the box next to the subject of the comment. (Note: you can publish or delete a group of comments by checking each of their boxes.)
7) Click the Update button. The comment will now be published or deleted.