Comments, for any piece of content that you have the Comments section set to "Open", need to 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,
which will bring you to this screen:
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.