Make sure it is empty.
How to see hidden text in pdf. See more on Adobe Help website - PDF properties and metadata AndrewH Dec 6 16 at 1949 You can quite literally embed anything in a PDF file. Click on the Protect tab and select Mark for Redaction. If you suspect this is the case try these general steps.
But when you close the file and save it and then reopen it all the text is hidden again until you click on each field to be able to see it. On the General tab provide a meaningful name eg. It has a functon for that.
Redact PDF to Hide Texts Click the Redact button located under the Protect tab and then check the boxes for Text Image or click the Pages option to select page or text field for redaction. Check Document Headers and Footers. Click on the Appearance tab.
You can also use the Search Redact option to search for a particular word and hide it on all pages at once. Is that possible to use iTextSharp technique to detect if PDF has hidden text or not. A File OCRed with Abby Finereader.
Once this is selected and converted to PDF using Adobe the Hidden Text. All commenting and markup annotations can also be shown and hidden. That hidden text is absolutely not in the PDF file and there is nothing you can do with the PDF file itself to retrieve that textNote that this is very different from having text in an Office document covered by some other graphic object in which case you might be able to retrieve such text.
When you save the document and reopen the text will remain displayed correctly. If text is hidden in an Office document it is not sent out either via a print path or a PDF creation path. Provided you are still viewing the document in Print Layout view you should be able to see any text boxes.