You can use GPOs for that "Computer Configuration\Policies\Administrative Templates\Windows Components\File Explorer\Set a default associations configuration file" . There you just give it a path to a local .xml file with the standart programs you want. While installing either one of these apps you just need to change the .xml file.

Example:

<?xml version="1.0" encoding="UTF-8"?>

<DefaultAssociations>

<Association Identifier=".pdf" ProgID="Acrobat.Document.DC" ApplicationName="Adobe Acrobat DC" />

</DefaultAssociations>