Vertica License Information

Hello Expertise.
I have some question related Vertica License :
I am using 4 TB of Vertica perpetual license in our one of the Production environment.
1)Can I use same license in Development environment ? If yes , how many Dev environment I can use this license? Is there any limit?
2)What It will impact, If I use same license in 2 Production databases.
3) How we can track same license I am using in which Vertica (DEV-Prod)server.?
Thanks in Advance.
Mujju