Do I use your secure servers in place of encrypting the customers personal data?

The data is encrypted and stored in our servers, it can only be accessed if the correct encryption key is provided. 

I would recommend you to check the following guide in order to get more details about encryption: https://www.jotform.com/help/344-Encrypted-Forms-and-How-to-Use-Them 

You may also provide us more details about your question, we will be glad to help you.