If scanning image files, the text isn't searchable unless you first convert the image to text using Recognize Text Using OCR. If you want to redact an area of the image file you'd need to specify coordinates for each redaction. Unless the redaction area is identicqal on all files, it wouldn't be practicale to try to do this prograqmatically.
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The author of numerous books on Acrobat, Photoshop, Illustrator and the Adobe Creative Suite, and an international speaker on Adobe Acrobat, Ted Padova is a well-known PDF guru.
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The author of numerous books on Acrobat, Photoshop, Illustrator and the Adobe Creative Suite, and an international speaker on Adobe Acrobat, Ted Padova is a well-known PDF guru.