Printing from Blackboard

I teach an online graduate class for which the students need to post in discussion groups on Blackboard (our LMS). I can ‘collect’ their posts so that I see all the text at once, but am not able to export to pdf or print more than one page, I have tried in Chrome, Firefox and Safari. I would like one pdf on which I can type comments. I can do screen shots and stitch together but that is annoying. Does anyone have a work around? !

figured it out. Have to select Print Preview to PDF vs. print to PDF. Weird.