Hi Rajeev,
This is a solution with technical aproach.
The standard program RSTXPDFT4 allows you to create a pdf file based on a single spool order (If you are an end user try using transaction SA38, if does not works, you should request help from technical person). The spool order is the document that the system stores before sending it to the printer. You can view spool orders in the transaction SP01.
For a massive pdf creation, you should get the help of technical staff to create a abap program or LSMW.
Best regards,
Alejandro Lopez.