1) How do we share the encrypted data amoung members in the company?
=> Simple, like usually you do everyday. Because Once you encrypt disk, Symantec Endpoit Encryption authenticate it on preboot (Before booting OS) Once authenticated you can do your regular task without any problem.
Simple concept : Encrypted Data decrypts in Memory while you access it.
2) How do we use encrypted data on a third party machine?
=> Same Answer, It Decrypt the data while you share it with someone.
Or on Removable Media Encryption you got Access utility (.exe) to access your encrypted data
3) How do we recover data in terms of any system failures?
=> You can use WinPE recovery media disk to Recover Everything in case of system Falures.
Mark as Solved if it solves your question.
Thanks