Google suggests not using rel="canonical" across state or language variations of your website. But you can use it in a country or language Model. PrestaShop also will allow buyers to create diverse Hreflang tags and Canonical tags for various languages, which is especially beneficial for multilingual e-commerce web-sites. The drop-down https://addons.prestashop.com/en/seo-natural-search-engine-optimization/30904-automatic-hreflang-tags-canonical-tags-all-pages-seo.html