You can find all compatibility matrix for Anyconnect version with ASA .https://www.cisco.com/c/en/us/td/docs/security/asa/compatibility/asa-vpn-compatibility.html#Cisco_Reference.dita_24f9ea3b-fe06-47ef-88d9-2e98e2dcc497
You can find all compatibility matrix for ASDM version with ASA .https://www.cisco.com/c/en/us/td/docs/security/asa/compatibility/asamatrx.html#pgfId-112283