Please tell mee if the grammar is good or just point out the grammar mistakes

There are some problems with the comma use but I can’t see too well. For example. Add a comma after unfortunately and don’t put commas before saying “because” since your sentence naturally keep going.

If two person had given your answer then there is a option of mark as brainliest. click there in the option of mark as brainliest in which you like the answer most. if any one person has given answer then after some days you will a notification to mark his/her answer as brainliest.