Within the configuration of the web site, you only want to select the choice "Custom made URL" and generate the custom made canonical URL you want, you can set a different URL for each language within your store (multilingual store) The sitemap also allows you to improve any attributes, which https://addons.prestashop.com/fr/seo-referencement-naturel/31857-seo-automatique-google-rich-snippets-json-ld-open-graph.html