If you have buttons that are similar (do the same thing but for multiple items) you might want to try my dynamic triggers plugin, I made that to avoid having to make billions of buttons. I use it in my AEStudio scene for example to do hundreds of poses, music, images with just a few buttons
Otherwise one way to do dozens of them very quickly is by editing the json directly. Do just a couple and save. Then edit the json and calculate the difference on the x/y axis, then copy paste and keep adding to x/y position.
You can also duplicate them with Keybindings, add a shortcut to copy/paste atoms, and then just add on x/y axis directly in VaM