One should consider two topics: authority and implementation effectiveness.
ISO 9001:2015 requires that documents belonging to a quality management system have to be approved by an authorized role. Having just a signature evidencing approval by an authorized role is enough. ISO 9001:2015 does not require elaboration and verification signatures. A good implementation practice, to avoid resistance and/or mistakes, is to ask departmental participation during the development of a procedure.
The following material will provide you more information about document control: