I thought this might be useful for anyone trying to get a sketch / cartoon effect.
http://www.macmerc.com/sections.php?op=viewarticle&artid=209&page=1
While you follow the steps in the tutorial record it as an Action so you can apply it other images at the click of a button
AC versions 3.41 to 25 (UKI Full 5005).
Using AC25 5005 UKI FULL
Mac OSX 10.15.7 (19G2021) Mac Pro-2013 32gbRam AMD FirePro D500 3072 MB graphics