In most cases, however, drawing boxes over text in a PDF just adds the boxes—it doesn’t delete the text underneath them. Someone who would like to extract the text beneath the obfuscation can ...

To see alt text in a completed PDF document, you'll need to use a screen ... In the "Object Properties" dialog box, click the "Tag" tab. You can read or change the alt text in the "Alternative ...

such as adding new text boxes that overlay the original text in the PDF, using the pen tool to draw over the text with your chosen color, or highlighting the text by applying a translucent color ...

Both methods also result in a text box that you can copy/paste or select-and-move around within or between ... tricks for business professionals (free PDF) (TechRepublic) If you want to edit ...

The list of ways you can manipulate a PDF or photo ... click the box icon. A color palette appears. For no fill, choose the white box with a red line across it. Click the text icon to change ...