I can't find the redact option in Acrobat X Standard to black out confidential information in a pdf.
Acrobat redaction tools were introduced in version 8, and redaction capabilities have In Acrobat X Pro, several new redaction features were introduced.
8 Steps to redacting a PDF file in Adobe Acrobat to effectively hide sensitive information from view without losing document formatting. Visit Adobe Acrobat on YouTube. I Mark the text, the moving lines occur in a box-like manner around the text, and… what do I do next? Open Officefor instance, puts a button in the task bar that lets you export your document to pdf format with two clicks. If you are working with a scanned doc without an OCR layer, redaction in acrobat, you can press CTRL OPT on Mac to force an Area Redaction. Redaction is only available with Acrobat X Pro. I just downloaded this addon tool mentioned above.