What's the difference between Sprout Facebook Page Report and Facebook Insights Pages Report?

Sprout Social: Facebook Page Report

Facebook Insights: Page Level Report

Total Fans (Column C)

Lifetime Total Likes (Column B)

Unlikes (Column H)

Daily Unlikes (Column D)

Page Impressions (Column J)

Daily Total Impressions (Column Q)

Users Reached (PDF)

Daily Total Reach (Column H)

Organic Impressions (Column K)

Daily Organic Impressions (Column T)

Paid Impressions (Column L)

Daily Paid Impressions (Column W)

Total Engagements (Column P)

Daily Positive Feedback tab

Sum of the following stats: comments, likes, links 

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Daily Page Consumptions​ by type

Sum of the following stats: link clicks, other clicks, photo view, video play (Columns D to G)

Engagement - Reactions (Column Q)

Daily Page Positive Feedback by type tab

"Like" (Column F)

Engagement - Comments (Column X)

Daily Page Positive Feedback by type tab

"Comment" (Column E)

Engagement - Shares (Column Y)

Daily Page Positive Feedback by type tab 

"Link" (Column G)

All Clicks 

(Post Link Clicks + Other Post Clicks + Click to Play Video Views)

Daily Page Consumptions by type tab 

Sum of all stats (i.e. link clicks, other clicks, photo view, video play), Columns C to F

Link Clicks (Column Z)

Daily Page Consumptions by type tab 

"Link Clicks" (Column C)

Paid Video Views (Column AK)

Daily Total Promoted Video Views (Column CA)

Organic Video Views (Column AH)

Daily Total Organic Video Views

(Column BX)

Total Video Views 

(Paid Video Views + Organic Video Views)

Daily Total Video Views

(Column CR)

Autoplay Video Views (Column AO)

Daily Total Autoplayed Video Views (Column CD)

Click to Play Video Views (Column AN)

Daily Total Video Views After Clicking (Column CG)