Check that all elements in the PDF have proper tags. All elements in the PDF, such as headers, paragraphs, lists, data tables and form fields, should carry proper tags.

To create a PDF file, just use your print app. Skip to main content. ... So it’s a good idea to check in the preview box what is being printed and only print the pages you need — it’s a lot ...

How to Make a PDF in Photoshop CS4. ... To include alpha channels, layers, annotations or spot colors, click on the check boxes for any or all of these document elements.