(Bloomberg) -- Canva Inc. acquired the Affinity suite of creative software popular with Mac users, securing its biggest acquisition to date in an effort to compete with Adobe Inc.Most Read from BloombergTrump Vows to Pay Fraud Trial Bond Cut by 68% to $175 MillionTrump’s Net Worth Hits $6.5 Billion, Making Him One of World’s 500 Richest PeopleAfter Exposing Realtors, Eliminate the Mortgage Interest DeductionBoeing CEO to Step Down in Overhaul Sparked by Safety CrisisThe deal, which is a mix of c...