Edit. · Edit the text area by using the text editing options that appear on the screen. Click on the red pencil icon above the text. · Click “delete” in the upper-left corner. 2. Delete Text from PDF With Adobe Reader · Click on a text block on Acrobat Reader. · Select the top text block and go to Sign > Fill To Sign. · In the toolbar, drag the “delete” arrow to the top left corner and drop it. · Click “delete” to delete the text.