Zoom In and Zoom Out, and Scroll can be found under the VIEW menu:
So I believe the answer is that yes they are available.
Seablade
EDIT: And to follow up with the above, try this link which is a list that you can CTRL+F to find text like SCROLL or ZOOM to find your commands to write into the binding map:
I’m trying to make a midi map file, but the folder ./config/ardour6/midi_maps doesn’t exist, and if I make one with this name ardour don’t show the new .map … I’m searching in the ardour forum and in the Web and I don’t find the solution … Anyone nows where are/I have to put the .map files?