How to enlarge the pdf preview in the article?

Preview size of the PDF files in the article would vary for browsers. However you can configure the desired width of the PDF file.

Solution

To enlarge the pdf preview:

1. Go to Settings → Knowledge base site → Custom CSS & JavaScript, and Custom CSS tab is the default selection
2. Paste the below CSS snippet in the window

.content_block .content_container .content_block_text p * {width: 100%;}

3. Click Save

Outcome