What is the additional feature of PDA has when compared with NFA? Is PDA superior over NFA? Is PDA superior over NFA in the sense of language acceptance?

Additional features of PDA:
a) PDA is eventually a FA with a stack.
b) PDA can accept context free languages.
c) PDA can recognize the context free languages which are not regular.
Yes, PDA is superior over NFA in the sense of languages.