A) Partners (External Vendors) Register & login Submit service requests (tasks) Upload documents Track task status Upload payment proof View certificate (watermarked before payment approval) Download certificate only after payment approval B) Staff (Internal Team) Secure login & logout View only tasks assigned by Admin Download partner documents Add internal remarks Upload working files / draft certificates Update task status (limited permissions) Activity logging (who did what & when) C) Admin (Owner / Manager) Manage partners & staff accounts Assign / reassign tasks to staff Review documents & task progress Request more details from partners Upload final certificates Review & approve payment proofs Control certificate view / download access View staff login & activity logs