Dear Ronali,
As suggested you can see the ready made answer in google.(Why waiting-if answer is in your hands)
For your first question--if all these materials has been maintained with Individual requirements in their respective material master, then you can see all in MD04
(Remember one thing--same material can be maintained with different Availability checks based on plant--You can have individual requirement for one material in Plant X and Collective requirements in Plant Y)
For Your Second Question please Try with VL06o.
Phanikumar