Is there a way to make Adobe Connect full screen?

you can also use ctrl+F to make the whole window full screen. I'm not sure yet how to undo that tho lol.

Toggling the F11 key is also handy for squeezing every pixel out of a web browser display. There's also the "hide title" option for Share pods. The one really glaring problem is ADOBE PDFs, which cannot be shown full screen. Come ON, Adobe!! No excuse for not adequately presenting your own file format.

If you want to see only what is being shared in the meeting or more specifically what is being shared in share pod then clicking on "Full Screen" button on top right corner of share pod will make the start bar and other toolbars go away.

If you use the Connect Add-in, it will launch the meeting in a stand alone window, so your IE browser chrome won't show.

For your task bar at the bottom of the screen, I would just right click on it, select Properties, check the box labeled Auto-hide the task bar and click OK. That should make the task bar disappear unless you place your mouse at the bottom of the screen.