In the DataCard's "Visible" Property.
Based on Dataverse Choice Column:
If(DataCardValue.Selected.Value in "Your Colulm Value",true,false)
IE: If(DataCardValue34.Selected.Value in "New location",true,false)
Based on SharePoint List Choice Column:
If(DataCardValue5.Selected.Value = "Your Column Value",true,false)
IE: If(DataCardValue5.Selected.Value = "New Location",true,false)
Formula for multiples
Dataverse
If(DataCardValue5.Selected.Value in "Your Value 1",true,false Or DataCardValue5.Selected.Value in "Your Value",true,false Or DataCardValue5.Selected.Value in "Your Value 3",true,false Or DataCardValue5.Selected.Value in "Your Value 4",true,false)=true
SharePoint List
If(DataCardValue5.Selected.Value = "Your Value 1",true,false Or DataCardValue5.Selected.Value = "Your Value 2",true,false Or DataCardValue5.Selected.Value = "Your Value 3",true,false Or DataCardValue5.Selected.Value = "Your Value 4",true,false)=true