Hi haroldvm89
As u are partner of symantec u might have access to partnernet site and diffrent type of resources are availbel to u as per your partner leve like platinum, gold etc.
https://partnernet.symantec.com/
If u will access above link , u will get lots of Demo DLP Video tutorials, Documentation, How-to use and evalution softwares , u dont need to find anywhere anything.
refer below for more
http://www.symantec.com/content/en/us/partners/media/spp-quickguide-en.pdf