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  • On the page template for the post with the post objects you need to loop through the repeater, get the post object and then loop though the fields of the related post.

    
    if (have_rows('repeater_name')) {
      while('have_rows'('repeater_name')) {
        the_row();
        $post_object = get_sub_field('post_object_field');
        // now we get the values from the other post
        if (have_rows('repeater_name', $post_object->ID)) {
          have_rows('repeater_name', $post_object->ID)) {
            the_row();
            // get sub field values needed
            // and add them to something
          }
        }
      }
    }