The Align Bottom option moves all currently selected figures to match the the bottom (Y position + Height) of the first selected figure. At least two figures must be selected for this application feature to be enabled. In the example below, the lower right square is selected first. To align figures with the bottom position of the first selected figure:
Select each figure to be aligned.
Press on the Arrangement Button in the Top Toolbar.
Tap on the Align Bottom option.
The second figure is aligned to match the the bottom (Y position + Height) of the first selected figure.