Converting a PFX file to PEM and Key via openssl

Export the private key
openssl pkcs12 -in aa.pfx -out aa.key -nocerts -nodes

take out the encryption from the private key
openssl rsa -in aa.key -out aa_s.key

export the ssl cert (normal cases)
openssl pkcs12 -in aa.pfx -out aa.pem -nokeys -clcerts