What is “personal data”?
Registry ex. name of the store, name of the store owner etc..
Are these promotions general promotions of the stores or in some way personalised for a logged in client?
More info ask to ADR
Is there any need to integrate the user or authentication systems of Liferay-based solution and Wayfinder?
In this part ADR describe tha data inside the CMS Liferay that are important to use in wayfinding application.
What is “tabbed access” here? Any image/description about it?
Tabbed means CARDS. The main concept is NOT duplicate info but to use the data from Liferay.