Daily Responsibilities and duties of a NAV Administrator handling the functional as well as technical aspects of NAVISION

What should be the roles and responsibilities of a NAV TECHO/FUNCTIONAL Consultant with administration responsibilities.

Daily activities like reporting , customization , user creation , approval setup… etc and backups?

Well that may differ from company to company. But if this “NAV administrator” is the single in-house NAV / IT employee, then typically the role is whatever your company needs it to be! If the job is bigger than one employee, then they either need to hire another, or use a partner or similar.

But what is the reason behind your question?