V-Ray Personal Learning Edition (PLE) for Maya is intended only for non-commercial learning and evaluation. You cannot use it for any commercial work or production.
Understand usage restrictions
You may use V-Ray PLE for Maya to learn the software and create non-commercial practice work. Any paid, client-facing, or production use requires a commercial V-Ray license.
Review the End User License Agreement
For complete terms and definitions of permitted and prohibited uses, review the Chaos End User License Agreement