Technically if the value of the barcode is not changing inside the free
Adobe Reader then you should not need to license Reader Extensions
(which includes the ability to turn on 2D in your form).The moment that
the value changes (calculate, preprint, postprint, etc) the barcode will
gray out unless the special rights have been enabled.Now, if you are
only encoding a unique identifier into your form then you likely won't
need a 2D barcode anyway. Code 3 of 9, 128, etc. should work well for
you an...