Print Conversation function prints/coverts to PDF in full resolution as opposed to a "preview" of included attachments.
Currently only when using the Print Conversation feature (Conversation 3 dot menu > Print) , it also includes the attachments inside the print/convert to PDF. Unfortunately, depending on the document, these "previews" of the attachment are down...
Print or PDF entire conversation including comments
Teams that deal with sensitive content that may be subject to audit are looking for a way to take a snapshot of all content (emails/comments) on a conversation so they can store it elsewhere.