You can include or exclude your domain from AutoSSL.
If your domain is created recently, wait for a few hours so that the cPanel can automatically install an SSL on your domain. However, even after 24 hours, if an SSL is not installed on your domain, first check the last log of AutoSSL from cPanel >> SSL/TLS Status >> Certificate Status.
When you generate a Certificate Signing Request (CSR) from cPanel, then save it, which is a good thing, maybe you do not want to store it on your server. Instead, remove it because you can keep a CSR code on your PC, so there is no need to storing it on the server.
If you generated your Certificate Signing Request (CSR) from cPanel and forgot your CSR, then you can retrieve your CSR. Only follow this tutorial if a CSR was generated from cPanel.
For obtaining a certificate from a Trusted SSL Provider, the Certificate Signing Request(CSR) is required. You can generate a CSR from your cPanel. CSR is also needed for self-signed SSL certificates.