Community Tip - Did you get called away in the middle of writing a post? Don't worry you can find your unfinished post later in the Drafts section of your profile page. X
If you want to replace the CA/I/II/III roles with customer then export Workflow (zip). Open XML file from Zip. Replace CA/I/II/III with custom roles (use internal name of the role ) and re-import zip file.
Thanks,
shreyas