It will be useful to be able to see what came out of each request/response. Also, what data is contained in the test results folder and is there any runtime information (such as variable configuration) that can be obtained?
When you run a load test, NeoLoad does not keep the data from requests/responses for better performances.
However, you have multiple ways to get that information.
You can run a test in debug mode. In that case, you will have exactly the same information like for a user validation.
Since it consumes lot's of resources you should not do that for a real load test but for debugging purpose only.
This data will be written in each load generator logs displayed in the "logs" tab in your test result.