You can attach one or more pages of PDF (Portable Document Format) documents to drawings as underlays.
When you attach a PDF file as an underlay, the software links the file as a reference to the current drawing.
If an attached PDF is organized in layers, you can control the visibility of the layers.
You can clip a PDF underlay to display only part of a PDF document.
The names of PDF underlays are listed in the References palette which lets you manage them.
If you select a PDF underlay in the graphics area and the ribbon is active, the PDF Underlay contextual tab appears. The contextual tab groups options and tools for clipping and changing PDF underlay display properties.
This chapter discusses: