Step 1)First Go to Process select connect Whatsapp option.
Step 2)Scan QR code and connect whatsapp with web whatsapp.
Step 3)After that go to the Master > Nx Messenger > Messenger Setup.
Step 4) And selection option in APP culamm use whatsapp in that option like Sales entry , Ledger and Bank/Cash receipts and Payment options.
Step 5) And you can directly send a report, select the view option and press Whtasapp option in the Option bar and Enter Mobile number.