“It was used for the first time properly in the World Cup in Russia and it’s fair to say that the use of VAR wasn’t without controversy,” he told BBC Scotland.
“France’s second goal against Croatia in the World Cup final was certainly a controversial goal.
“And, indeed, in the group stages, you might remember Australia being awarded a penalty against Denmark that was an extremely harsh award given after a VAR review.
“I don’t think VAR would eliminate controversy and I don’t think it would eliminate decisions that people disagree with.”
Doncaster pointed out that there had been a number of incidents in the Premiership this season that remained controversial even after footage was reviewed via the Scottish FA’s disciplinary process.
Aberdeen, unhappy at losing their appeal against a red card shown to Mikey Devlin, have urged the governing bodies to consider VAR to restore trust in the appeals procedure.
Motherwell chief executive Alan Burrows followed that urging the SPFL to finance a feasibility study.
Doncaster says it will wait to see how trials go in England’s Premier League, Germany’s Bundesliga and Spain’s La Liga, among other leagues, before coming to a conclusion.
“Inevitable? I’m not so sure,” he added. “Certainly, what we do need to do is investigate thoroughly how it works.
“It is a relatively new technology. It’s not necessarily an area where we want to be ahead of the curve.
“There are a number of leagues within Europe that are trialling VAR and I think the wise thing to do is to see how their trials work and then decide for ourselves whether we want to include it in the Ladbrokes Premiership or not.”