I recommend installing the free demo version before purchasing and check the need for session management. The OC Session Manager module is mostly meant for OpenCart 3. Opencart stores some consumer knowledge (language, currency, cart, etcetera.) in PHP sessions. OpenCart can store this details in two methods: Inside the files. https://ametistadrusa17261.webdesign96.com/32362179/the-best-side-of-opencart-or-woocommerce