This is the issue, not the font size or other preferences in terms of the comment once that comment pop-up window is open. The icon shown while the comment is closed needs to be bigger and more conspicuous. I already had colleagues who thought I had not commented a PDF at all, while it was full of comments. This basically hides the comments I have added to a document. 1.361316) shows in any freshly opened PDF document only tiny little dots not visible unless you know it is there. The problem is that Adobe Acrobat DC (e.g. The labe 'Correct Answer' is inadequate in my view. This answer is not addressing the issue at all.
