Where can I find and view my saved checklist templates and saved checklists?

You can view your Checklists from:

Checklists and Reports - Checklists - View Saved Checklists:

 

Your checklist will open in Creator window from where you can edit it:

 

 

Another option to view your saved checklist templates and saved checklists is from Library - Checklists - choose folder Saved Checklists or Checklist templates:

 

From here you Checklist will open in Viewer window- you can't edit or change it: