With the Artboard tool chosen, the Align panel's Align Objects,
Distribute Objects and Distribute Spacing buttons, their UI commands and
the Control bar's Align and Distribute buttons act on the artboards the
tool has selected, as the public page describes:
https://helpx.adobe.com/illustrator/desktop/create-manage-artboards/organize-manage-artboards/align-and-distribute-artboards.html
- artboard.align, artboard.distribute and artboard.distributeSpacing
move whole artboards with their guides, and with the art inside them
when Move Artwork with Artboard is on, in one undo step. No undo step
is recorded when no artboard moves.
- Align To offers Align to Selection and Align to Artboard. Align to
Artboard keeps the active artboard in place, and the Distribute
buttons then send the Distribute Spacing value. A locked artboard
stays where it is. These rules are VectorCraft's own.
- The Control bar shows the Align buttons, the Align To menu and the
Distribute buttons after the artboard controls while it has room.
Docs: docs/mcp.md, docs/ui-parity.md.