If you add the page numbers using the word processor add-on as described in the documentation: https://www.zotero.org/support/word_processor_plugin_usage#customizing_cites they will absolutely show-up for APA in-text citations. If that doesn't help, we'd need a bit more details about what you're doing, expecting to see, and seeing.
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they will absolutely show-up for APA in-text citations. If that doesn't help, we'd need a bit more details about what you're doing, expecting to see, and seeing.