Every Single license is valid for only one domain. In order to install this module/theme on multiple websites, be sure to order multiple licenses. The Prestashop Marketplace Plugin offers successful tools for seller management. You can approve or disapprove vendor registrations and, if vital, take away suppliers from your marketplace. https://addons.prestashop.com/en/seo-natural-search-engine-optimization/32754-seo-open-graph-twitter-card-tags-automatic-generator.html