Please read the following documents about licensing and additional legal documents for your purchase:

Envato Market License (codecanyon.net and themeforest.net): https://themeforest.net/licenses
Envato Market Terms: https://themeforest.net/legal/market
Envato Market Privacy Policy: https://envato.com/privacy/

Each purchase of a "Regular License" is valid for one website. If you want to use this plugin on more than one website, you must purchase one license per website.