Previously I used the text box to accomplish this and it was a challenge. I'm going to be adding in news to my app and I'll use the HTMLElement.
To set up the HTMLElement, the text property under HTML holds your news. If you use HTML, check the box "Text like HTML".
To get the scrolling you'll have to make changes to the 'inline style' properties.
Make sure the word-break is set to what you want. Break-word will wrap the text based on spaces in your sentences.
overflow-x will add in a horizontal scroll bar. Set it to hidden if you don't want a horizontal scroll.
overflow-y will add in the vertical scroll bar. Set it to auto or scroll. If set to scroll, a vertical bar will always appear. If set to auto, the vertical bar will only appear when the text is larger than the box.
You should get something that looks like this:
The author of the HTMLElement also created a CSS injector that makes it real easy to add in your own css styles:
construct.net/en/make-games/addons/166/inject-css
If you play around with CSS much, you can come up with something like this which is also the HTMLElement: