(responding to Fred)
Thank-you, Fred.
I tried "man evince". I got nothing like what's in your post.
I could find nothing in the GUI for getting any kind of help.
I searched for a web site for evince, and found this one:
"https://wiki.gnome.org/Apps/Evince".
But this site had no user's guide, help, or anything else like what's in
your post. The site's faq also did not help.
Where did you get what you posted, or how did you get it?