Whether it's office or wps, it's not just the lack of mouse and keyboard. The function on the tablet is much worse than that on the pc version. But it's a little more convenient than a mobile phone, with a larger screen and a split screen function.
Generally speaking, if the document editing does not require heavy operations, just browse or modify the text and take notes, the tablet computer can be fully competent. If you design layout, format, pictures, etc. You should still use the computer.