There are two ways to "erase" text. One is to use the "Edit Text & Images" tool (Tools>Content Editing>Edit Text & Images). With the tool active, you can then select text and delete it.
How do I erase a scanned document?
- Open the PDF: Click the "Open PDF" button to open the PDF document.
- Select the Page Contains the Sensitive Content: Move the mouse onto the page list, and click on the page which contains the unwanted content.
- Choose the Eraser Tool and Erase: ...
- Save the erased PDF:
How do I delete part of a PDF?
- Open the PDF in Acrobat.
- Choose the Organize Pages tool from the right pane. ...
- Select a page thumbnail you want to delete and click the Delete icon to delete the page.
- A confirmation dialog box is displayed. ...
- Save the PDF.