can I use "Netbackup Pure Disk Storage" as a deduplication target for Backup Exec?

hi

i have backup Exec 2012 sp4 Hotfix 1 with active Maintenance .( i can Upgrade to 2014)

• Can i use Symantec PureDisk as my Deduplication storage?
•  PureDisk Server is Free or Should i buy License for it?
• What licenses should i buy?
• Where can i Download Trial Version of it?
• is there any Document about Using PureDisk with Backup Exec 2012/2014 ?

thank you