Adding text to a pdf file in Acrobat Reader

To add text to a pdf file on a computer:

1. Open the pdf file in Adobe Acrobat Reader (free version of Acrobat).
2. In the top right hand corner click the Fill & Sign button.
3. Select Add Text, and click on the page where you want to place the text.
4. A text box will appear on the page and you will be able to type your text.
5. A text Toolbar will also appear which lets you change font face, styles, colour, size, etc.
6. You can move the text on the page by selecting the box and dragging it from the edge.
   

To add text to a pdf file on an iPad:

You can also add text to pdf files on an iPad (with fewer editing options).

1. Download the Adobe Acrobat Reader from the App Store.
2. Open the pdf file in the app.
3. In the bottom right hand corner, tap icon with a pen in a blue circle. 
4. From the menu, choose Comment.
5. From the Toolbar tap the 'T' icon, then tap where you would like the text on the page.
   
   
   
6. You will be able to change the colour and increase/decrease the size of the text.
7. Once you have entered the text, tap Done.
8. You'll be able to move the text box by tapping and dragging.