night mode for scanned pdf

[#1]

hello

The option of Edit>prefrence>replace document colors. doesn't work on scanned pdf, but in the android app the night mode works even eith scanned pdf.

so is there a way to turn the background of a scanned pdf to black with Adobe reader desktop version?

[#2]

hello

The option of Edit>prefrence>replace document colors. doesn't work on scanned pdf, but in the android app the night mode works even eith scanned pdf.

so is there a way to turn the background of a scanned pdf to black with Adobe reader desktop version?

[#3]

Not possible.