Simple answer - this is not possible: Install of Quantum Edge in VM needed a .VNF image - your R80.40 guide is for R80.40 GAiA, but not applicable to Embedded GAiA R81.10.08 ! Quantum Edge is no longer updated anymore and still on version R80.20.x as explained in Quantum Spark FAQ :
Quantum Edge
Is a new version of Quantum Edge running R81 code coming soon?
This is not planned.
Will there be an update of the VMware image to test the SMB software in our own lab environment?
Quantum Edge images support up to R80.20 code base appliances. If you wish to have VNF images for self-tests, please contact TAC: https://help.checkpoint.com
Are there any plans to support something like Maestro with SMBs
No.
Do you have any future plans with Quantum Edge?
No.
CCSE / CCTE / CCME / CCSM Elite / SMB Specialist