How to allow popups using windows.open

Description of the issue:
nothing happens when a call to windows.open is made

Steps to Reproduce (add as many as necessary): 1. 2. 3.
the LA Courts website allows previews of filed documents after looking up a case and creating an account
Each document shows a preview button. In chrome, when selecting this button, a new window opens with a pdf of the first page of the document displayed
in Brave nothing happens

Actual Result (gifs and screenshots are welcome!):
nothing is displayed, not even an error message

Expected result:
opening a window showing the pdf.

Reproduces how often:
everytime

Operating System and Brave Version(See the About Brave page in the main menu):
Windows 10, and Brave Version 1.10.97 Chromium: 83.0.4103.116 (Official Build) (64-bit)

Additional Information:
This behavior is good to block ads but it is still used for some valid reasons and would be great to be disabled for specific sites.