This CAN be done using the PDF Annotator tool.
- Win10 64 bit machine with PDF24 ver 11.18.0 installed.
- Click on PDF24
- Scroll to find <Annotate PDF> -- Can be hard to locate. I've made it a "favourite" so it shows at the top.
- Left Click to open
- Drag and Drop file from your machine or click <Choose file> and wait for the file to open
- In menu bar, click <Add Text>
- A text box will open up somewhere on the page which you can adjust as desired
- Hit <return> or Click the <Add Text> icon again to close
- You can then <Save> the document with the edits.