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 u201cForms, Tables and Listsu201d 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 u201cAutotag Form Fieldu201d in Accessibility Tab to add tags for form fields5. Change the tool mode to u201cSelect Annotation Toolu201d6. Click the form fields which are without description from Accessibility check panel7. Add tooltip from every form fields as below.