I don’t quite understand why you need the raw responses.
I’ve seen it requested quite a few times but don’t quite see the point in most cases.
I don’t know how you want to analyse the data, so you may have a perfectly good reason for doing this.
I would craft relevant tests for the information I need. Then using Newman, you can get an HTML report of the results which you can analyse. Even better, you can then schedule the Newman job using various methods including continuous integration tools like Jenkins or Azure Dev Ops.
Another option that isn’t using Postman if you really need to analyse the data in depth is to use PowerBI if you have that available. You can pull data straight into the reporting tool from the API’s and as it’s a reporting tool that excels with multiple data sets it will give you more flexibility on the analysis.
The following links\discussions may be of use.
https://community.postman.com/t/save-body-results-to-a-csv-or-json-file-using-newman/
https://community.postman.com/t/how-to-customize-the-export-results-in-collection-runner/
https://community.postman.com/t/how-to-export-download-response-body-into-an-external-file-from-collection-runner-results/