If you’re not getting an answer on the forums then go to Comodo Support and raise a ticket on your query. Alternatively, each Enterprise product page contains a Contact an expert link which might suit your needs.
HackerProof is HackerGuardian Enterprise + Trustmark with daily scanning. It contains 20 IPs/Domains and 1 HackerProof device license. The IPs/Domains can be increased with an Additional IP address pack. It also includes some of our own custom written plugins.
HackerGuardian PCI Scan Compliancy is for those that don’t need constant scanning as this contains 10 scans across 5IP/Domains in a given quarter (90 days) Additional IPs can be obtained via an IP Address pack. This does not have the ability to scan local network devices.