SEP 14.0 on Windows Servers.

Please provide comments on following queries.

1. Is it recommended to install and run SEP 14.0 on crucial windows servers such as AD/DC's, Exchange, SQL servers and Other Database servers? If yes, what are all protection services and policies should I need to include or exclude on SEPM 14.0 before installing SEP on windows servers? please let me know the necessary precautions should I need to take before installing SEP on windows server according to server roles.
2. Is there any chance for database corruption or service interruption when run SEP 14.0 on windows servers?
3. Will Symantec provide official support for issues related to running SEP 14.0 on Windows servers?
4. Is there any alternative protection service for windows servers from Symantec?

Thank you in advance