Questions:

Can a artist that sell at Daz make hes own eula for the product he owns and sells or does the sale of the product through daz just include one way ?

Any considered/wanted changes to the base EULA should be taken to Daz directly as the EULA is a legal document and what may seem like a small change may have lasting impact to the content sold under that license. Despite what has been represented here the base EULA spells out terms for the usage of products under a typical personal usgae license for this kind of content. Most artist are happy to let Daz 3D look after the legalities of their product leaving them to focus on creating.

will if flexible still be possible to have the download adapted to the individual permissions of the copyright holder?

This makes little sense and would make an impossible situation, the idea of a store that potentially sell 1000's to 10,000's of products daily negotiating usage rights and individually tailored content packages would push up the price of each product and be a nightmare to manage the rights of products. Individual permissions is not a feasible setup for the sale of bulk content and I think you would struggle to see it anywhere where you find high volume and low price point sales . But if usage was required outside of the currently offered terms you could always enquire to the rights holder for special consideration which may be conditionally granted.

as a vendor of your own proprety are yo allowed to see who when and how much is sold?

As a PA you do have access to quite a range of data regarding the sales of your product.

will this if your sales are Visible still granted when it is integrated as Clowd into the program?

Sorry you have lost me with this one. I'm not sure which "Clowd" you're referring to?

It is your stuff you sell Right and you remain the copyright holder?

Your rights always remain yours until the point you choose to waive those rights.

is such a system trustfull when integrated in a Programm that you get what you deserve as Vendor?

Again your question is a little unclear to me, sorry.

even Sony had huuge issues with there clowd getting hacked , if someone can hack a sony how bad will it be with DS it that happens?

Again I don't see how this is relevant, malicious attacks on any digital platforms are always bad. The level of "bad" is determined by the level of breach and the ability of the platform to reinstate security measures and restore services.

what wil be if with the new system logins will be cracked through the application?

Like most business I am sure Daz would have implemented security protocols and defences in place to guard against or deal with hypotheticals similar to what you have described here. What will be? Will be. The future's not ours to see.

will take Daz charge for the damaged customers?

Any and all liability terms are as is enforceable by law or in the terms agreed to by the parties involved. As is in the case of any damages.

as far as I know Programs and clowds can be verry sensitive it even goes under the datacontroll rights Like collecting personal datas. is it granted if that Daz does not collect data over the legal period of time ?

Er, what? I would say it's granted that Daz 3D as a legitimate business operates within the terms of the law.