Rendered entity reference field (list-group) disappears, when user can't access the referenced items. Why?
FWIW :

The entity reference field formatters that are in core use the method getEntitiesToView() (From class EntityReferenceFormatterBase) to load the referenced entities.

This method honors entity access :

$access = $this-&gt;checkAccess($entity);
// ...
if ($access-&gt;isAllowed()) {
  // ...
     $entities[$delta] = $entity;
    }
//...
return $entities;


so yes, it seems normal that nothing is rendered.