No, if WMPL required different images for each language then you need to get the image information and insert the images to the media library and then use the new image IDs to update the ACF field. I don’t know the details you’d use for inserting an image for a specific language
https://codex.wordpress.org/Function_Reference/media_handle_sideload
Honestly, I don’t know beyond this point. The image IDs used need to match existing images for for the site/language, again, I don’t know how WPML works or what hurdles you need to jump to get this to work.
