It does say in the The Employee Care 2 SSLs topic "If you want to learn about Dynamic User-Centric Categories (Content Categories) or AIR Help, please see the Salesbuilder 2 sample project."
The TOCs can either be separate or tailored through the use of tags. Which is best will be dictated by how you have written your topics, same for browse sequences.
See www.grainge.org for RoboHelp and Authoring tips
