Print to PDF command sends the drawing (or print layout) using the selected PDF format to a PDF file.
Location: File > Print to PDF
Print to PDF dialog box allows you to control the settings used to create the PDF file. For most cases, using the default values should produce a usable file, but you can set export options to create output for specific requirements. Click here to read more about Printing.
Note : To generate a single PDF file that contains multiple multiple views and sheets, select File > Print Queue and click on te checkbox 'Combine into a single PDF file'.