Hi François,
Never tried it, but if the database provides an ODBC driver, then it should work.
Something important to note is that the ODBC driver is different for x86 and x64. Some databases only have the x86 version, in that case the VAD application will not work if the server operating system is 64 bits. In those scenarios the only way to make it work would be installing 3CX in a 32 bits machine.
Kind regards,