How do I create multiple Facebook catalogues for different product collections?

[bidsart]

Hi there, 
This is my first time in the community. I need help to make a facebook catalogue. Right now I have one big catalogue containing all our products. And I would like 4 catalogues equal to our 4 collections of products. I have seen tutorials and videos, but I cannot figure it out... 😞

Is this the place to find freelance help to these things?
Kind and very new regards
Julie, www,bidsart.dk