The raw document provides some more details but remains not especially explicit.
"The fact that NSA/CSS has some capabilities against the encryption in TLS/SSL, HTTPS, SSH, VPNs, VoIP, WEBMAIL, and other network communication technologies".
Capabilities are defined here as NSA/CSS ability to exploit a specific technology. This may encompass acquiring and processing plaintext data and/or acquiring, decrypting and processing encrypted data.
Many people write memos to tell you they have nothing to say.