To do Alt + J + P + A + A on Mac in PowerPoint, download and install Accelerator Keys, then press Option, followed by J, P, A, A.
Command: Align Menu
This is how to do Alt + J + P + A + A on Mac in PowerPoint with Accelerator Keys, the native ribbon and alt key shortcut solution for Mac users who get more done with PowerPoint.
Alt + J + P + A + A opens the Align menu in PowerPoint. This provides alignment options including align left, center, right, top, middle, bottom, as well as distribute horizontally and vertically.