Facebook keeps everything you have commented, linked, uploaded, posted in the activity log. You can find and access the activity log from Facebook app on your iPhone and iPad in just a few taps. Just open the Profile tab in Facebook, tap the Gear (Settings) icon below your profile picture to open the Profile settings screen. Here you can access the Activity log which includes all your activity on Facebook.
How to find, view Facebook Page’s activity log on iPhone?
To view your Page’s activity log however is not that easy. You can’t access the activity logs for your Facebook Pages directly within the Facebook app on iPhone or iPad. You have to download and use the Facebook Pages Manager app or log into Facebook from a web browser.
Open Safari or other web browser app on your iPhone. Visit Facebook website, then log into your Facebook account. Open your Facebook Page. Then tap Activity at the top of your Facebook Page to view the details.
Pages Manager lets you manage Facebook Pages, check Page activity from your iPhone or iPad. Run the Pages Manager app, open the Tools tab from the bottom of the app, then choose Settings >> General > Activity log to load and view activity log from selected each month and year.