Question 1: How to display the compass?
The compass is a piece of equipment, you need to have it in your inventory and take it in hand, it is realistic.
Question 2: How I can spawn the compass?
Go to Category Entities/Nordahl Scripts and simply click on it, it aparaitra in front of you on the ground.
Question 3: I would like the compass to be permanent, and not be forced to equip it it is possible?
Yes, go in the configuration file
nordahl_compass\lua\autorun\nordahl_compass_system.lua and go to the line