Should I keep interviewing even after receiving a verbal offer?

Just received my first verbal offer from Company A. They want me to apply to a slightly tangential role so they have to create the role and then have me reapply, which they said could take a couple days. In the meantime I have two more final interviews at different places (Company B and Company C), sometime next week. Company C isn’t really in my top 3 choices, and Company B is tied for #1. Does it make sense to …

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