Change WordPress user roles and capabilities › Forums › How to or FAQ › WPML – How to allow edit languages but not options? › Reply To: WPML – How to allow edit languages but not options?
There is a difference:
– ‘Apply to All Sites’ replicates to subsites a currently selected role only.
– ‘Update Network’ replicates all existing roles from the main site to the subsites. Any subsite role which is not available at the main site is dropped. So this function is to synchronize all network permission.