Hi zainab g,
You can edit/ delete text in a pdf from Adobe Reader.
You can accomplish this via Acrobat.
How to edit PDF files:
- Open a file in Acrobat XI.
- Select Tools > Content Editing.
- Click the Edit Text & Images tool.
- Click the on-page element you wish to edit, which automatically activates the tools you'll need.
- Choose the tool that best fits your task.
Regards,
Rave