I like to recommend installing the free demo version ahead of getting and check the need for session management. The OC Session Manager module is primarily intended for OpenCart three. Opencart stores some person data (language, currency, cart, etcetera.) in PHP sessions. OpenCart can store this information in two ways: https://landenozqag.blogunteer.com/31016524/helping-the-others-realize-the-advantages-of-opencart-vue