É uma condição comercial, melhor você contactar o seu revendedor.
Quanto a usar mais de um documento a documentação diz
"QlikView IAS is a QlikView Server that is licensed for an uncapped number of users and a single QlikView document. The IAS may be licensed with multiple QlikView documents for an additional fee. QlikView IAS runs in anonymous mode, must be publically accessible without authentication (on the public Internet) and, must not be placed behind a firewall. No QlikView client program can access QlikView IAS. The user interface must be built by the end user either manually or by using QlikView WorkBench. Note: There is no license lease from QlikView IAS."