Minecraft Bedrock: We believe the issue regarding not being able use/see previously purchased content has been resolved. Please fully restart your game in order for your inventory to refresh. Please contact @mojangsupport if you’re still experiencing issues. Thank you! - HZ
I'm sorry for any trouble you're having still! It's currently a temporary issue we're looking into. I would check back in later on and if it's still happening, send us an email at https://help.minecraft.net/hc/en-us/requests/new …. Remember to attach your Transaction ID. ^AS