You acquired the company. You did not acquire how it works
The acquisition closed in July. Two months on, nobody at group level knows which tools or which processes the subsidiary's quality team actually uses. The only way to find out is to ask them, in a meeting.
acquired, its processes still undocumented
« We still do not know exactly which tools and processes the subsidiary uses. »
How do you answer that today?
The process is a model in the graph, so it survives the people.