You can view met npcs and player characters, by clicking the character tab at the top of the page.
After that, take a look at your wiki. There is some more helpful info there.
Ascendant campaigns can view previous versions of their pages, see what has changed (and who did it), and even restore old versions. It's like having a rewind button for your campaign.
We've already been saving your edits, so if you
you will have instant access to your previous versions. Plus, you get a 15-day free trial, so there's nothing to lose.