TimeTrex Time and Attendance

I want to know about Timetrex Document Management module.
I am looking for good Document Management software, so I found it on Timetrex website.
Is it available for download, so that I can get it & use it.
Is it available, then can you please provide me a link from where I can get it.

Please help ..
Thanks in advance ..

The Document Management module is only available as part of TimeTrex Professional Edition which must be purchased.