Users have a new option available in Strategy that allows them to bookmark attributes in PDF documents built through Strategy Developer that include attributes in the Group By Field.
These bookmarks will itemize the PDF Documents according to the attributes placed in the Group by Field of the Document editor.
The Document's Design View shows the attributes 'Category' and 'Region' in the Group by Field:

Users must then enable bookmarks by going to the File Menu > Page Setup > Document tab and checking the box "Include bookmarks in PDF", as illustrated below:

When the user runs the PDF Document either through Strategy Web or Developer, the Document is Bookmarked by the attribute 'Category':

Note, however, that when the PDF bookmark setting is not enabled, the bookmark field will appear empty, as illustrated below:
