Exparel - why is this not used by all PS?

I'm surprised to hear some PS use Exparel and others do not. The feedback I have read is consistent and patients are extremely satisfied and very comfortable post op with little to no pain. I would have assumed this would be industry standard or at bare minimum consistently offered as an option to patients. I'm curious to hear from the PS as to why there is inconsistent use/ or offer of this injection. Thanks for your time in responding.

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