What is Meant by Z Report and Where it is Used?

Whenever you want to develop Z reports first under stand the client requirement, where SAP standard program is not supporting there we will develop Z Reports or Functional specifications. Once you understood the client requirement you take which fields and table names are required. After you prepared all that information provides to ABAPER . ABABERS will develop the Z reports according to your information provided by you.

Thank you and Is there any other reports like this which we come across usually in support while dealing with tickets.

Actually if you know can you provide me the basic info about role of a support consultant means how they deal with tickets and all.

Z reports is nothing but Customizing the reports as per your requirement with the help of ABAP consultants.