Since we read from left to right...
remember that a word scrolling from left to right will first show the rightmost letter in the word.
For example, the word "kayak" will fist show the letter "k", then "a"... wait a minute, the word "aha"... no, wait, the sentence "A man, a plan, a canal, Panama"...
Seriously, if you really wanted to scroll a title from left to right, did you try putting the title in the second video track window, pip, keyframe, and change the posit from the left to the right.