Check the single product buttons now, please.
Grid/list switcher displays only on the WooCommerce archive pages (shop page, product categories, product tags, product brands pages). https://site.amadeuste.com/lenjerie-de-pat/ is a simple page and there is no option to display switcher there, unfortunately.
One standard license is valid only for 1 project. Running multiple projects on a single license is a copyright violation.