1. Radiation effect is included into Energy equation ? > what energy equation are you talking about? radiation is included in the simulation if you turn it on.
2. Please name the algorithm which follows FVM approach, been used by Flow Simulation ? > what specifically do you care about here? all the information that you want about the methods used in flow are in the technical reference in the software installation directory.
3. Do we have control over Boundary Layer & how to visualize it through Results/post-processing... > what does "control over the boundary layer" mean to you? what are you trying to do? and how does it apply relative to flow using RANS?