Regarding license keys for Gen 8.6 partner products from Response Systems e.g. Access Gen.
This article covers the steps to take if your Response Systems products were purchased direct from Response Systems themselves.
If they were purchased from Broadcom please create a Non-Technical case on the Broadcom Support Portal: Create a Non Technical case for Support Portal / License / Contract related issues
Gen 8.6
With respect to contacting Response Systems to raise a support ticket, these are the options: