1. Open a Documents file.
2. Tap where you want to insert the text box.
3. Tap on the Tabs dropdown and select Insert tab.
4. Slide left and tap on the Text Box option.
5. Double-tap in the text box to type text.
*The text box will appear in default size.
To move the box:
Tap and hold the text box and slide to the wanted position.
To resize the box:
1. Tap the box to see the resizing points.
2. Tap and hold on whichever you want of the points and drag to the wanted size.