After uploading the PDF file, click on the Add text button on the toolbar. As you click on this button, a text box will appear on your PDF document. Now, you can type some text of your choice ...

Devon Delfino/Insider 4. Click into the text box and add the desired text, then drag the box to the desired placement. Enter your text and move the box to the correct location. Devon Delfino ...

In other words, Adobe Reader won't let you add text. What you need is a program that's a little more accommodating, PDF-wise. Try Foxit Reader 4.3, which allows you to add text to any PDF.

To add your signature to another spot or a subsequent PDF, click on the Sign icon and choose your saved signature. After you’ve added text and signed the PDF, save the file.

Removing text from a PDF isn't as easy as drawing a black bar across it. Fortunately, redaction tools let you truly erase sensitive text in Preview, Adobe Acrobat DC Pro, and PDFPen.