How to translate it polylang

Hi @ibnesalah

Thanks for using our plugins.

You can translate in the same way as when you update standard content. Once you switch to the language version, you can update the content for that language. Please see attached for more details.

More details here
https://www.mooveagency.com/wordpress/wpml-compatibility/
(article relates to WPML but the process is the same)

Hope this helps.