Apart from AUTOSSL’s Sectigo SSL’s, cPanel also offers Lets Encrypt SSL vendor which is not enabled by default.

 

To Enable it, Install the Lets Encrypt RPM using the below command

 

/scripts/install_lets_encrypt_autossl_provider

 

This will install the Lets Encrypt SSL addon for cpanel, once it is installed login to WHM and select the AUTOSSL and enable it as shown in the image below