This feature is a part of Product CSV. Click here to see all Product CSV features.
You can import PDF files from external URLs or a server path.
You have to provide a label (for example file name) and URL or server path for each file.
The data format to import PDF files:
PDF label 1|URL 1,PDF label 2|URL 2, PDF label 3|URL3
The label and URL for each file are separated with |.
The files are separated with comma.