I found the correct grotto, and there was an item, but I took the item and saved after it, am I still able to get the Combee? I’ve soft reset a few times and got nothing. I want my bee
Yes you are able to get a Delta Combee. Hidden Grottos reset after 12 hours, so basically you could get as many Delta Combees as you want to! 
Hopefully this helps!
Ok thanks, I was worried I just couldn’t get him anymore =)