Due to the increased security focus of the NIC appliances, it is harder to share out some files to network users.

One way to solve your problem maybe to create a sub-folder of pireport, that way users can access the saved files via their web browsers. For example, create the following sub folder:

%_ENVISION%\webapps\pi\pireport\Saved

Any files placed in there, could then be accessed accordingly:

http://12.34.56.78:8080/pireport/Saved/test.txt

The server does not allow for directory index listing. So you can either give your users a direct link (like above), or create an index.html file.