Community Tip - Did you get called away in the middle of writing a post? Don't worry you can find your unfinished post later in the Drafts section of your profile page. X
You have to make text elements as separate annotation features or sketch elements and "mesh" them manually.
You might drop a note to PTC tech support letting them know your frustration with this. You might also add to the Idea section with regard to "properly" format Arabic and other fonts.