Once a solution is implemented, what does a BA do to evaluate and monitor the solution value?

Once the project is done, the BA moves on to another project, so there are no activities unless the business submits a follow$-$up request.

Keep running the test cases each week, report the status, and monitor the defects and resolutions.

The business case is likely out of date after implementation, so it is best to focus on what the business is requesting.

Evaluate metrics established, continue to observe users and data, conduct interviews, and determine adjustments.