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When I enable IRM, I'm unable to view the PDF file in the browser. Though the download and print is restricted, my main purpose is to be able to still view the PDF file and that isn't happening
I would say look at the settings for the PDF viewer itself.  If there is a free or opensource viewer installed, then software could be designating all PDF documents to print upon opening
PDF is one of the most popular file formats for documents due to its features. Unfortunately, some users reported that PDF files aren’t printing properly on Windows 10, so let’s see how to fix this problem