The answer to the first question is yes. Inside of Symantec Encryption Desktop there is a product that is call PGP Self-Decrypting Archive. It's part of the PGP zip feature.
Here is a link to the PGP Zip portion of the Symantec Encryption Desktop (previously known as PGP Desktop)
http://www.symantec.com/docs/HOWTO83453
This feature is available on all versions of Symatec Encryption Desktop.
Second answer is if you are using Symantec File Share Encryption. Which is the folder encryption portion of the product. This type of encryption is meant to stay local or on a local File Server and if you try to move the file or folder via FTP or Email it will decrypt the file prior to attaching it. This type of encryption is key based and is encrypted to your users key or a group-key and you will need the private portion of these keys to decrypt. Definitely not recommended sharing your private key with other users.