Acceptance testing can be said to be a technique of testing which is carried out to determine whether the software system has actually met the requirements specifications or not.
The major purpose why we carry out such a test is to help evaluate the compliance of the system with the business requirements as well as verifying or checking the desired criteria for delivery to the end-users have been met.
The major focus of acceptance testing is to check for the perspective of a business. Acceptance testing is performed in most cases to make sure that all the functional requirements are met by the product being made. This testing stage helps to carry out a verification process to ensure that the customers or clients receive their products having all the functional properties that are required.
The main focus of acceptance testing is to test for a business perspective. The goal is to evaluate the system’s compliance with the business requirements and verify if it has met the required criteria.
It is done to provide a set of working and fully tested features that are ready for production to be tested and validated by the business.
It is recommended that the delivery team works with the Business to define a testing approach and plan with test cases.
Hope this helps.