What keyboard shortcut is commonly used to undo an action in Storyboard Pro?

The commonly used keyboard shortcut to undo an action in Storyboard Pro is indeed Ctrl + Z for Windows users and Command + Z for Mac users. This shortcut is widely recognized across various software applications as the standard command to reverse the most recent action taken, whether it's drawing, editing, or any other modification. Utilizing this shortcut helps maintain workflow efficiency, allowing creators to quickly correct mistakes without navigating through menus or using the mouse.

The other options do not serve as undo commands: Ctrl + Y typically performs a redo action, Ctrl + X is used for cutting selections, and Ctrl + S is the command for saving work. Understanding these shortcuts can significantly enhance productivity while working in storyboard software.