The module of PageBuilder have to be cloned again in for copied pages. Believe me, if there is a better solution, we would have fixed it. It is not a easy job. It need to change data structure. It can’t be solved in shot time, very sorry.
About Team member as for post, the “copy” from wpml, when you translate an item, doesn’t embed the featured image, you have to put it again.
Please try to install WPML Media Plugin.