Different companies work differently. One place I worked we had all PC's apart from 1 Mac, another place it's all Mac and PC's for imposition software. If you work in a combined house you switch between them, hardly noticing the difference. From an economy point of view, The latest Windows 10 machine will still quite happily use a fair bit of very old software, not so on the Mac. Machine wise, if anything small breaks, or you need more of it, it's a doddle and inifinately cheaper doing that on a PC than e.g. on an iMac unless you are very brave.
It's quite delicously entertaining when you have a designer who soo loves his Mac and an IT guy who equally is soo in love with PC and just suggest which is better, then observe
When it comes to fonts, generally windows fonts will run on a Mac but not necessarily the other way around. If you need and want a choice, run Parallels as it makes a Windows Program look and feel as though it was Mac native. I gather that it uses memory better than on a PC as well.
e.g. Microsoft Office for Mac is mostly ok, but happier and cheaper for Windows. I have experienced Microsoft Office Mac, being installed on two identical machines, yet Excel worked in one, yet not in the other, causing corruption and Publisher in which some clients might wish to supply artwork, is Windows only.
In a non printing context, showing Powerpoint, I have experienced where it didn't work in the Mac version, there was no problem using Libre Office on the Mac and it'll show any flavour of powerpoint.
Thankfully it is a long time ago when PC and Mac wouldn't read each other's portable media without adding file header and file conversion