How can we call 3 RDLs in the sequence,exporting them into PDFs, Merge that three pdfs into one PDF

Hi friends,

Here, i am facing one trouble with my Business Scenario.

Pls help me , it is very very urgent.

Below is my detail description.

I have a 3 RDLs in one project solution.

I would like to call them automatically every evening, exporting them in PDFs files, Merge that three PDF files into one and save it on one network dirive.

How can I Schedule and automate this process ?

I do not have any clues, in which direction , i can proceed.

Pls provide me Direction, Ideas or solutions.

Let me know if you need more infomation.

Thanks !!!