You can do a quick verification that the SSL is already install by simply going to your browser and typing in the following: https://www.mydomain.com (Of course replace mydomain.com with your own domain name)
Behind the scenes you can login to cPanel and verify that the certificate is there and valid. Once logged into cPanel go to to the "SSL/TLS" icon.

The next page will give you a few options. Let's go and manage the SSL certificates that you already have.

The final page will list out the SSL certificates. You can select the drop down box with your domain and click on "Autofill By Domain" to view the certs.
