In the abstract module the PCO has also the possibility to check the registrations for the abstracts.
It works a almost the same as the conference participant registration.
Go to the abstract module and click on query and the next screen will appear
Click on Authors to see all information about the Authors of the abstracts.
The next screen will appear:
In the author query the PCO can find the username password and the address of the author. The PCO can also see if the author has submit his/her abstract.
See screen below: