I think it was not showing the signature information for me, too. You should be fine. Still can follow up with CIC.Hey Fellas,
Application Sent - August 13, 2019
Application Received at Sydney Office - August 19, 2019.
I have sent documents through Courier. It shows as delivered but there are no signature information of receiving person. Now I am worried if it reached at correct address. Is there a way to find out?