Hello dondelay and welcome to the Greenbone community!
The OpenVAS scanner and the CVE scanner are two separate scanner modules, however both are included in Greenbone products. Only the the OpenVAS scanner uses scan configs, so no scan configs include the CVE scanner conversely.
You have to configure the CVE scanner when creating a scan task, for details see 10 Scanning a System — Greenbone Enterprise Appliance 22.04.13 documentation, section “Scanner”.
Please also note the prerequisites for using the CVE scanner, documented here 10 Scanning a System — Greenbone Enterprise Appliance 22.04.13 documentation.