- Do your users want to make their own notes about how part
of your software works or to add to your help?
- Do your customers want to point the users to training
materials, intranet information, policy documents covering certain
procedures?
Take a look at this topic on my site that describes KnowHow.
http://www.grainge.org/pages/authoring/customising/knowhow.htm
I have no financial involvement with this company other than
having been given one copy of the program to enable me to do the
screenshots in the article. I found the product while looking for
such a tool. It solves the problem of user annotations.