Hi Morgan,
Hmmm, so tell me what you really feel about your computer....;>)
Ah, I think I know what's going on. I'm attaching a video. In the beginning I've simply gone into the Editing mode and you immediately see that the text is grouped into boxes. This is what Acrobat MUST HAVE to let you work with text. This does let you edit text but it also means that you cannot join paragraphs and other common word processing tasks. That's because Acrobat is not a word processor, it creates digital documents. Think of it as a digital printer.
But then I click on the Text icon and there you will have your box with no text within, because this tool is to ADD text, not CHANGE text. The Edit tool (the thing I was first using when I started) is for Editing text. It also lets you Edit images to some degree which is why it is not called the Edit Text tool.
(Slight delay, I can't place videos on this site, I'm working on working around that. Will have a link for you soon.)
Let me know if this helps you,
ACK, I forgot, I can't place
OK, here's a Youtube link:
https://youtu.be/aSQZbdf8pH4
Hopefully that shows what you need.