The Q-DAS Community is an open community. This means that even unregistered users can read the entries. However, you must be a registered user to participate in the community. (Other Hexagon products have a closed community, which means that only registered users can read and participate). You can register on the Nexus page:
The community listing will then be displayed for the products selected there (if available). The video briefly shows the registration process.
After creating an account, you can use this link to join the community directly:
Q-DAS - Nexus Community (hexagon.com)