Then, I open a second Source Image ("cmd-o"), with which I will modify the first one (Note:: in Studio Artist, if you do not modify the canvas size initially defined when opening the first Source Image, all the subsequent Source Images will open at that size and resolution):

Here's a thumbnail of the image I selected: I did not render it to the Canvas, just kept it selected as a Source Image.

I select a Category in the Preset, and a Patch with which I paint on the canvas image, either manually, or by triggering the "Action" (simply pressing "cmd-spacebar") and stopping the action ( by pressing the spacebar alone).
The intelligence behind Studio Artist is remarkable, I have tested, several times, its automatic actions against what I would choose to do manually, and there often are amazing similarities!

Here's the Fast Edge Sketch patch in the Auto Sketch category

Letting the Action proceed for just a few quick seconds, then stopping it by pressing the spacebar, here's what I get: