If you have a dynamic mike, or a mike that does not require phantom power, you can use an XLR to 1.4 cable to connect your mike to that Loop Pedal. Then connect the audio out to your audio interface going into Studio One.
For the other part of your question, see the following answer:
http://answers.presonus.com/13865/emulate-a-loop-pedal
Please create a support ticket if you would like to discuss this in more detail.
We also encourage you to create a thread about this on the Presonus user forum.
https://forums.presonus.com/viewforum.php?f=108 This will allow for back and forth discussions about an issue or question and more points of view as to possible different approaches or workflows.