1. open the pdf in photoshop
2. choose an "Eyedropper tool" (pres I on keyboard)
3. With an eyedropper tool click on the background right next to text to select the color
4. if background is white, choose white color
5. choose "brush tool" (press B on keyboard)
6. brush over the text you want to get rid of
7. choose "text tool" (press T on keyboard)
8. Click on the pdf sheet where you want to write the text
9. you will automatically create a new layer, but you have to save new file as PSD.
10. Don't forget to choose the same font and size of the text.
This should work, if not, write back.
