If your adjust your content type to allow comments, then any comments must be moderated and replied to on a timely basis.
To see comments posted to Press Releases:
Step 1: Choose the Find Content command under the News and Press Center.
Step 2: Click the Comments tab.
Jan Carmichael and Steve Zalusky of PIO can assist with questions on handling of comments based on ALA policy. You will be able to view, moderate accordingly after clicking on the Comment link.