完全可以说 visit an exhibition。如：

Have you visited the exhibition? 你看过这个展览会吗?

They hadn’t planned on so many people visiting the exhibition. 他们没想到有这么多人来参观展览。

On the first day over three hundred people visited the exhibition, in addition to those who were present at the opening ceremony. 第一天参观展览会的，除那些出席开幕式的人以外，有300多人。

下面的句子也属于相关用法：

The exhibition is well worth a visit. 这个展览会值得一看。

The exhibition has received a positive response from visitors. 展览得到参观者的好评。

The exhibition attracted thousands of visitors and ecstatic reviews. 展览会引来了成千上万的参观者以及狂热的评论。