You will want to switch between the following three views while working in Paint Effects:
The canvas and scene painting views are in the Paint Effects panel. You can open the Paint effects panel in the workspace area, or as a separate window.
To open the Paint Effects panel in the workspace area
As a shortcut, press the 8 hotkey to open the Paint Effects panel in the workspace. For information on other Paint Effects hotkeys, see Use default Paint Effects hotkeys.
To open the Paint Effects panel as a separate window
To switch from the canvas to the scene painting view
To switch from the scene painting view to the canvas
To switch between the Paint Effects panel in the workspace and the scene view