How can I align the slider next to my text?

The backend aligning option was mainly made for the center aligning, and our slider container always has 100% width, even if the aligning here is left, or right. To align your slider next to your text, you need to do use your own code.

WordPress

<div style="float:left; width:30%; padding:5px;">[smartslider3 slider="1"]</div> Lorem ipsum dolor sit amet...

Joomla

<div style="float:left; width:30%; padding:5px;">smartslider3[1]</div> Lorem ipsum dolor sit amet...