Accessibile PDF form fileds requires the characteristics as below.form fields have description, as known as tooltipform fields have correct tab orderform fields are taggedYou can use Foxit PhantomPDF Business Edition to edit your form fields to meet the requirements above.With PhantomPDF Business installed, run Full Check in Accessibility Tab2. Choose “Forms, Tables and Lists” in the Category 3. Then in the Accessibility Check panel, you can see which form fileds are whthout description and which fields are not tagged.4. Choose “Autotag Form Field” in Accessibility Tab to add tags for form fields5. Change the tool mode to “Select Annotation Tool”6. Click the form fields which are without description from Accessibility check panel7. Add tooltip from every form fields as below.