Please note this is a user to user forum, you would need to contact Magix Sales using the Support link a the top of any forum page.
See these guidelines for ADA compliance about halfway down this page.
AFAICS the requirements for compliance are specific to the design elements and features of the website ie they refer to the design elements of the site that you create or control and makes no reference to the software used to create the site must be ADA compliant.