Digital signed pdf doesn’t show digital signature in browser, when file open using SPO Doc Lib

Issue

Digital signed pdf doesn’t show digital signature in browser, when file open using SharePoint Online Document Library

Replication Steps

Step 1:- When user upload the PDF file with digital signature in SharePoint Online i.e. “Communication Site” out of the box document library.

Step 2:- User double click on the filename and open into browser.

Step 3:- Provided Digital Signature area shows blank i.e. without signature

Screen Shot with Signature File

Screen Shot with Missing Signature after browse from document library

Please have a look and share your views or suggestion, if you faced such issue with SharePoint Online.