No, we cannot see drafts. But if you press “post comment” and later edit, we can see the original and the edits.
I’m sure there are, but it is 2344 pages in reverse chronological order and is unsearchable and unsortable. So even if I had the time or inclination to peruse (which I don’t 
) it would not have a positive ROI. So unless someone asked me about something that happened in the last day or 2, I’m not even going to bother to research.