Validate the PDF file

- [Instructor] Throughout this chapter,…we've done a lot of work to this document…to make it compliant, and so what I'd like to do…at this point is run the Accessibility Checker…inside of Acrobat to see where we are.…I'm going to go ahead and come down here…and click on Accessibility,…and click on the Full Check button.…When I click the Start Checking button, you're going to notice…that if you come over here to the Page Content area,…when you remediate a PDF file from scratch,…you're always going to get this error,…and this is the definition of the Tab order.…

When you remediate a file from scratch,…the tab order is not defined.…The good news, however, is that to fix this,…we simply need to right-click on it, and choose Fix.…And it just doesn't get any easier than that,…and essentially what it's doing is it's using the tag order,…right, so if we open up our Tags panel,…the order that we see in the Tags pane,…and this is something you always want to check…towards the end of the process to make sure that…everything is reading in the proper order,…