Yes you can buy PCs with M$ Office (Various Varieties) pre-installed. The software will cost you about 2/3rds the price of a Stand Alone copy.
However your copy is tied to that PC and cannot be transferred to another PC at a later date.
Surface Pro (2017) vs Surface Pro 4
Where HTML5 is headed next
MacBook Pro v Surface Pro 5
Synology invites you to visit them at Insomnia on 26th – 29th August. Book your tickets now and visit Synology.