ok you should be able to connect and use your printer wirelessly as you would a laptop, smart phone, and other mobile devices. i only know of HP having an actual app that allows for easy scanning, and printing. you will just have to make sure you are on the same bandwidth since the chrome + has capabilities for both 2.4ghz and 5.ghz. and most wifi printers only use the 2.4ghz.
as for microsoft office you can download it via the android play store there is an android version it may cost money unless you either have subscribed or have a keycode of a purchased copy. other options is hancom which is samsungs version of microsoft office. i dont know if it has all the bells and wistles as MO does, but it is the same thing. the note pro 12.2 i had had hancom installed free with the tablet.
hopefully my information was helpful.