No, voilà does not provide an unlimited data eSIM for Puerto Rico. The available plans are fixed data plans with caps of 20GB or 10GB. For example, a 20GB plan valid for 90 days costs $136.30 USD and covers Puerto Rico plus 116 other countries, while a 20GB plan for 30 days costs $143.80 USD and covers Puerto Rico plus 19 countries. A 10GB plan for 30 days is available for $69.70 USD and covers Puerto Rico plus 116 countries.
Choosing a fixed data plan can be more cost‑effective for most travelers, unless the user is an extremely heavy data consumer who would need a larger or unlimited allowance.