It sounds like there's a lot going on here, let me see if I can parse this out.
So tablet and phones currently use ARM processors which have a different processor than x86 (PC/Mac). Ususally .exe files are designed for x86 processors and companies develop a different set of software for ARM processors, most of them can be accessed through Google Play or through Apple Apps.
From what I read on PC Matic, their Desktop software is designed to be supported by Windows Operating Systems, which are supported by x86 processors. That means you can't run PC Matic on a Samsung Tablet. I'm also assuming this tablet is running on Android though, not on Windows.
You can, however, use PC Matic for Android, it's from the same company. You can find...