There are many advantages to hiring a private investigator, but there are a few things that a P.I. cannot, should not, and will not do. Impersonate law enforcement. It is a felony to impersonate a police officer.
Quality Control is focused on the initiation of the evaluation process, while quality assurance is focused on managing the process to ensure the stipulated business goals are realized within the set period of time.
Quality assurance and UAT have different goals. Quality assurance is a type of static testing wherein you verify the documents like BRD and FRS documents to make sure that you are following the correct practices as laid down by your organization to enure a quality product.