Figure placement in Word documents is much easier than some make it out to be. See the post below and the corresponding comments for two reliable solutions. I generally prefer the 2 x 1 table method, but I used the text box approach for years with no major issues.
Advice for a young investigator: For figures in Google Docs, insert a drawing, then put both your image and the text box containing the caption inside the drawing For MS Word, insert a text box and put your image and caption inside For Pages, insert image and text box separately then link them