PowerPoint works with the concept of selection, and then action. And the action typically is to edit whatever you may have selected! For such editing, the Format Task pane in PowerPoint 365 for Mac can be indispensable. The Format Task pane aligns neatly within the interface in PowerPoint 365 for Mac, and you can now immediately see how your choices affect selected slide objects. The Format Task pane is often tabbed. This means that you can jump quickly between different elements of your slide object! In many ways thus, the Format Task pane is the single source where different style formatting options are consolidated in one place.
Learn about the Format Task Panes in PowerPoint 365 for Mac.