I am trying to find out the difference between management and configuration policies. Kindly, can someone elaborate that or showing an example so that I can understand each case.
Are you asking specifically about password management and configuration?
Management is outward facing and influences user behaviour such as 'password length' or 'frequency of password change' and typically relies on governance and policy; whereas
Configuration is inward facing and influences service behaviour such as 'where passwords are kept' (such as LDAP, or flat text files) or 'what authentication service is used to authenticate' and typically relies on technical requirements and administrative choice.