Is there a tutorial?

[lsitongia]

Does someone have a good tutorial about how to use this? I've installed on Linux (KDE Neon) using Flatpak and there's a lot I don't know how to do.

For example, I cannot figure out how to pan and zoom.

Sometimes I see a menu on the left of the note (with Lock Zoom and other icons) but it disappears when I draw. Similarly, a zoom amount appears to the right of the note and it also disappears. I can't get them back without exiting the note and reloading the note.

Can I get rid of all the space to the left and right of the note? They take up a lot of the screen. I'd like to go fullscreen and do without the large margins to the left and right.

Thank you. I'm close to having Saber work well for me. I appreciate all FOSS and this is a good one.