See the Help article named Wrap text around a circle or other shape. See the article Reverse text or create a mirror image.
If the rotation options are not available when you click the picture that you want to rotate or flip, right-click each picture, and on the shortcut menu, point to Text Wrapping, and then click Square or any option other than In Line with Text. To rotate a SmartArt graphic, copy the SmartArt graphic, paste it as a picture, and then rotate the picture.