polylang

I'm trying to make a multilingual site with a Wordpress CMS, but the plugins duplicate the content for all translations. I i ... the standard fields is correctly translated. Read, like all plugins corretno work with ACF, then what could be the reason ?

My WordPress site has a WooCommerce store, I use Polylang to translate the site. I need to translate the payment page. I fou ... a problem with one line. There you can translate the phrase "Order notes", but I do not know how to translate "(optional)".

I can't activate Custom post types and Taxonomies in polylang. Initially, it is gray. Then I read on the link that you ne ... ic. Put it in register_post_type 'public' => true. But everything remains the same and it is simply impossible to add.

There is a small corporate website on WordPress'e v5. 3, it was set up by one person a few months ago and left. Everything wo ... How to fix this behavior, make the display of the correct page at the desired address with the selected one with your tongue?