There were users who had trouble in withdrawing before and their experience is similar to yours. If they didn't respond after sending your documents maybe it's because the country you're in is restricted by cloudbet. Their live chat is not always available but if you can browse the site you should be able to use the live chat.
Many many people had issues withdrawing because somehow cloudbet finds "suspicious" stuff with people constantly and they require bunch of stuff to be able to withdraw the money and all that. It creates a whole lot of work just to withdraw your own freaking money. God knows how many people said "screw this I am done" and didn't even withdrew their money because of all this haggle. We all know just the ones who come in here and write about it.
There are plenty of sites where withdrawing is as easy as depositing and cloudbet is not making things any easier for them since this recent 330 bitcoin dude, yeah there could be troubles and problems caused by the gambler but making it harder for people to withdraw for "security" purposes has a limit and cloudbet has been over that limit for waaay too long.
I was told yesterday in the chat about this that they did not get a bank statement as it is in PDF format. And that I need to convert it into a photo. I asked several times about what exactly this document? I was answered yes. They told me that the bill for utilities is not suitable. Today I went to several banks and made account statements from different banks and in different languages. Where everything is indicated and the address of registration and last name and account numbers. After I uploaded the photos to them, they told me in a chat that such documents would not work and I needed an account for utilities. I was dissatisfied in the chat, and I was told that they had read yesterday's chat correspondence and sent these documents. Do you think this is normal? I did not violate any rules of the company !!!