In a word, no.

More precisely, it depends on what modules you're installing. Certain modules using XS require the same C compiler as your perl was built on. The version of perl shipped with AIX is compiled using the IBM C compiler, and which version is anyones guess. You could run into compilation problems there, and the errors the install process generates won't necessarily make the reason explicit.

If you install a module, and you get errors about 'missing symbols', the chances are good that you've got exactly this problem.