Today I took at look at the document permissions in the two documents and here you go…
So what’s going on here?
Acrobat 6 creates a document that it sees as being open for commenting and other forms of editing. Acrobat 8, when presented with the same document, sees a document that can not be commented on so it won’t bring up the commenting toolbar. Good to see that earlier versions of PDF are well-supported…
Adobia