To open, indesign application, using VBScript
Code:
Dim objApp 
Set objApp = CreateObject("Indesign.Application.CS2")
objApp.open("one.indd")
it is working

To open, acrobat reader, using VBScript

Code:
Dim AcroExchApp
Set AcroExchApp = CreateObject("AcroExch.App")
AcroExchApp .open("one.pdf")
But, it is not opening....

what mistake i did here?

many thanks