With FMW 11G, yes you need to have WLS for forms and reports. As per the FMW stack, WLS is the baseline application server.Do i have to create a domain?
Domain in WLS/FMW is basic administrative unit of WebLogic Server. To use WLS instances you need to create the domain first.Can i run forms and reports on the server that is in a domain already? If so how do i go about doin that?
I think you can try to extend an existing domain and use the template for forms and reports. You might need to read the installation guide for exact details.Do i have to create a domain with forms and/or reports?
Yes, you need to have a domain which comprises of libraries required for forms and reports installation.I think you should consider creating individual nodes for forms and reports.