Hello, Here are the answers to your questions:

1. Benefits of the New Version (MDB 5 over MDB 4.19.2 - jQuery): MDB 5 is built on the latest version of Bootstrap, providing more modern components and better integration capabilities compared to the older MDB 4.19.2 which is based on jQuery. You'll find improvements in performance, a richer set of features, and enhanced customizability due to updated components like Navbars, Cards, and Forms. Additionally, MDB 5 supports frequent updates and compatibility with other modern technologies​.

2. Licensing: When you purchase MDB Pro, it includes 12 months of premium support and updates. After this period, you can continue to use the last version you downloaded forever but without further updates unless you renew the license. This applies to all the products you purchase, whether individually or in a bundle.

3. Purchasing JQuery and Angular Versions: You would need to make separate purchases for each technology if you require both the jQuery and Angular versions. MDB doesn't offer a combined package for only these two in a single purchase. However, you can purchase MDB Bundle, which contains Standard Bootstrap version, Angular, Vue and React.

4. Purchasing as Individuals: Yes, as an individual, you can choose to purchase access to a single technology for €289 or opt for the complete package that includes all technologies for €999. This purchase is associated with a single developer account​ .

5. Purchasing through Teams and Service: For teams, you can indeed buy licenses either for a single technology or multiple technologies. If you want all technologies for three teams, each license (covering one technology) needs to be purchased separately. For example, if you need licenses for both jQuery and Angular for three developers each, it would count as two separate purchases.

I hope this clarifies your queries! If you need further details, let me know