External pdf: Unable to open external link, elementary OS 5.0 Juno

Hello, im a fresh linux user: elementary OS 5.0 Juno and im using brave as default browser and like it very match, i made a pdf file with hyperlinks and every time i click the link i get a message -> Unable to open external link - Failed to execute child process “/usr/bin/brave-browser-stable” (Permission denied). When i click the link when any other browser is default it open the link. I looked in the setting from brave and could not find anything to solve it and searched the net for a few days now and cant find any solution for it. Can someone help me to get it to work or is it a bug?
Any help is welcome.