If you already have AutoCAD 2021 installed, you can often find and install the Raster Design toolset directly via the Autodesk Access / Desktop App icon in your Windows system tray.
Scales, shifts, and rotates images to match existing vector maps perfectly.
Scanned documents often contain noise, dust, and imperfections. Raster Design includes cleanup tools to improve image quality.
Do you need a on how to convert a scanned PDF into vector lines?