To view image layers for the active canvas plane
Choose Windows > Editors > Canvas Layer Editor to open the Canvas Layer Editor window.
The image layers for the active canvas plane are displayed.
To view image layers for another canvas plane
Do one of the following:
That canvas automatically becomes the active canvas and its layers are displayed in the Canvas Layer Editor window.
I don’t see any layers in the Canvas Layer Editor
You may not have any canvas in your scene. See Create a canvas plane for how to create new canvases.
The layer thumbnails are turned off by default, to provide more space for the layer names. To see the thumbnails: