At a customer of mine, we recently migrated to Windows Server 2022. Installed the Search service and added the right folders to the indexing options. However, the client computers are not able to find any indexed PDF files if looking for content, with the old Windows Server 2016 that wasn't a problem. Also searching for file content on the server itself doesn't work(even with Adobe Acrobat Reader installed)
Looking for content in text files or Word Documents work perfectly.
In the Advanced Options on the server I selected the option "Index Properties and File Contents" for PDF Extensions. Already rebuilt Index, but not working. When opening the PDF, we can select the text, so it
