EV SSL certificates require documentation work?

Yes, Extended Validated (EV) SSL Certificates does require documentation work. Please follow the below procedure to know the validation process.

Procedure to Validate EV SSLs:

For Comodo EV SSL Certificates Validation Procedure:  Refer this Documentation.

For GeoTrust, Verisign and Thawte EV Validation: Follow this instructions. (GeoTrust, Verisign and Thawte owned by Symantec Corporation and have only single method for all its validations).

Host Department does not support in anywhere through out the validation process, in case if you fail to validate, your certificate will revoked and cancelled. You have to correct your details and re-raise the request from either CA or Host Department. You have to strictly follow the CA’s guidelines to validate your details.