No. PDQ's tracking page finds an order by shop domain + order ID, not by Shopify business entity — so multi-entity or post-purchase entity routing doesn't break tracking, as long as the order stays on an integrated myshopify domain.
If tracking looks wrong, verify:
The order is on an integrated domain.
The tracking URL and carrier mapping are correct for that shipment.
Related: Return vs. Reship - which do I use?
