I respectfully disagree. The only apps that come close in feature parity are OneNote and PowerPoint. Although I know video and animation triggers were missing, presenter view is limited and privacy features are also limited for PowerPoint.
Outlook has very basic Exchange server support on the Mac side compared to its Windows counterpart. Features such as public calendars, circulation lists, retention features and tracking are missing or limited. Other missing or limited features: Save as for emails, social connector, voting buttons, using word to compose emails, non-Gregorian calendars, tables, receipts, side by sides and VB. There are also many advanced settings in Outlook for Windows that aren’t on Mac.
In Word, the following features are non existent or limited on Mac: digital document signing, endnotes, open and repair, embed fonts, book fold, blog publishing, screen clippings, document inspector, digital ink, smart lookup, publishing layout view, dynamic order. Many advanced settings are also missing.
Excel for Mac, to Microsoft’s credit has recently received a working Power Query. However, the following features are non existent or limited: Power Pivot, COM add-ins, VB and Macro functions such as user form and editor. No import export for the Quick Access tool. Data connections are also limited on Mac.
Publisher and Access are Windows only but not particularly popular these days anyway. Lots of the new Sharepoint functionality is limited or non existent on Mac. Power BI is not on Mac either.
The OP is looking for a Mac primarily for Office use. I made the point re: feature parity of Office as the OP may have never used Office for Mac before.
Note: Edited to remove Pivot Charts from Excel which now has feature parity. The Office 365 for Mac team are churning out regular updates and will hopefully address more of the Mac limitations. Here's a handy comparison of Outlook features between the platforms from Microsoft. There are over 25 differences. It would be great if they made one for the rest of their software.