File Corruption The primary reason why PDF shows a black screen is the file corruption. When the pipeline tries to read such a document, it is unable to scan the information properly, resulting in the error.
How do I black out a PDF document?
Choose Tools > Redact. On the Edit menu, choose Redact Text & Images. Select the text or image in a PDF, right-click, and select Redact. Select the text or image in a PDF, and choose Redact in the floating context-menu.
How do I black out text in a PDF in Chrome?
Redact text and images from a PDF on Chromebook. Launch and select Tools > Redact. Choose Select A File and locate your PDF. Select the Mark For Redaction tool. ... Once you've marked up all the redactions, select Apply. Save your PDF as a separate file.
How do I black out text in a PDF on a Mac?
How to redact a PDF on a Mac using Preview. Open your PDF in Preview. Click the Markup icon on the top right. Click the Redact button on the top left. It looks like a filled in square. Read the reminder in the dialog , save a copy of your PDF, and click OK. Select your text to have it automatically redacted.