Hi @sebdemb,
Thank you for reaching out!
WooCommerce extensions generally do not include any translation files at all. I know it may sound surprising, but WooCommerce.com does not provide a hosting/delivery service for Extension translations.
As a workaround, you could produce your own localization using a plugin such as https://www.ads-software.com/plugins/loco-translate/. For more details about localizing/translating WooCommerce and WooCommerce Extensions, please refer to https://docs.woocommerce.com/document/translate-woocommerce-extensions/#section-2.
Does this help?
Cheers,
Ilia Dioleti
Support Engineer | SomewhereWarm