On most things in the Bible I'm more literal, but I'm an old Earth Creationist so that puts me on the more figurative side of things. There's a lot of reasons for this. Probably the biggest is God has given us the ability to figure things out. We can measure various things and count things like speed and distance and that is why we have things like radar, and other instruments that measure, distance, speed etc. So it would be weird for God to make something that would radically throw this off, when in general those things are usually reliable (barring things like radioactive isotopes or whatever, I'm talking about overall statically reliability. Without it those kinds of devices would be useless).
But this is important because one of the definitions of truth in the Bible is Alethia which is Truth in the objective and factual sense. Not to mention the general mandate of Genesis of God wanting Adam to "take Dominion" so the ability to figure out actual laws of nature, and accurate chronology could fit into that. And yes those Yoms could be ages of Creation.
Besides this there is the aspect of the Genesis narrative fitting into other narratives of the Near East, both because the Israelites were of that general culture but also as a polemic against some of those religions especially against the Anunaki. Michael Heiser has a lot to say about that and it quite educational.
And there are other reasons to. Historically speaking the Jews and Early Christians are literalists but there is no reason in terms of official Dogma etc. that would mandate that a person has to be a strict six day literal creationist, other than certain interpretations of Sola Scriptura seem to encourage it. But I think this is more a function of the ideology of the person than something that is inherent in the text or necessitated by the Faith. I mean the term, Adam was originally understood as being a word for "the man" rather than a person's first name, so that should tell you something.