The following list of blocks have a pillar variant but no chiseled pillar variant:

• Purpur (vanilla pillar)
• Quartz (vanilla pillar)
• Stone brick
• Polished andesite
• Polished diorite
• Polished granite
• Tuff
• Deepslate
• Polished blackstone
• Polished basalt
• Limestone
• Marble
• Bluestone
• Snow
• Ice
• Blaze
• Nether
• Red nether
• Charred
• Teal
• Obsidian
• Dark prismarine
• Prismarine
• Sandstone
• Red sandstone
• Soul sandstone
• End stone
• Phantom purpur

Intentional, at least for now, for the marble style. But maybe in the future there will be more. For now I'm concentrating on other stuff