Hi,
I'm learning Business Process Flows and I have two doubts:
1) RECORDS NOT FOUND
I am looking at the Lead to Opportunity Business Process Flow. When I try to go through the Next step I can't see any record under Select Opportunity Flyout:

But I actually have some records stored:

Why I can't select them within the Business Process Flow?
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2) WHERE ARE THE NEW ENTITIES STORED?
Quote from this article :
"All data that is collected while you are completing a business process flow is stored in one or more entities in Microsoft Dataverse."
Where should I look in order to find these entities?
I am currently looking in the Flows Menu option on Power Apps, but I'm not sure whether I'm doing well: will these new entities be added here as soon as a user will complete the Business Process Flow?

For instance, let suppose that I'll complete the Lead To Opportunity Business Process Flow: should I see a new record named "Lead to Opportunity Sales Process" here, with the current date and time under the column "Last Modified"?
In other terms, should I see two records "Lead to Opportunity Sales Process", the newest of which is related to the last time when the process was completed?