Last week I started with the tool on as I wanted to create some examples for a RTC demo. I did get it work for RTC!
As I was considering to write some blog on this I am now browsing through various posts and stumbled across yours. I have no clear cut answer to your query, but I came across this NAV team blogs of which this one might be of help to you: Style Sheet Tool Extended. The codeunit attached to that post should give the tool “ability to export several tables with multiple records”.