Hey pnamroud,
Thank you for the inquiry.
Automatic translations for contents in the Advance Layout Builder are not yet supported. You have to manually create a duplicate of the pages or use the Advanced Translation Editor to manually translate the content of each element in the builder. For more info, please check the articles below.
// https://wpml.org/documentation/theme-compatibility/enfold//#translating-pages
// https://wpml.org/tutorials/2016/02/enfold-theme-and-wpml/
Best regards,
Ismael