You can export the certificate and convert it to PEM format to view details within the certificate.
Network -> Certificates -> Export Certificate.
The certificate is exported in PKCS#12 format and can be converted to PEM using openssl through a linux box or using sslshopper.com.
The PEM format certificate can be opened in wordpad or notepad++ to view the private key.
I'm not sure of a password for the private key. If that is something set by the CA then the CA should be able to share that with you.