REQUEST DOCUMENT

Hi, Please can you help me with some queries regarding REQUEST DOCUMENT,

We need to source some reference data from a web server and process on mainframes, can I use Request document to achieve this?

If yes,there is authentication (Janus) required and specific entitlements to source the data from URL, can anybody advise on how to pass thru the Authentication process ? Providing the User id and Password in the WITH Clause , would that work? I have tried it however unable to reach the web server.

Thanks
Suman