Grammar
N4 honorific

May I 〜させてもらう

Meaning

Asks for or acknowledges permission humbly — "let me ~", "I will take the liberty of ~".

Formation

Notes

いただく is the humble form and is the standard business register: 説明させていただきます ("allow me to explain"). It literally says "I receive the favour of being allowed to", so it frames your own action as granted by the listener. 〜させてください is the direct request; this is the softer, more deferential wording.

Examples

I will be leaving early today, if I may.

Breakdown
today early will take the liberty of going home

Allow me to explain the documents.

Breakdown
documents (object) allow me to explain

Would it be all right if I took a photo?

Breakdown
photo (object) even if I am let to take is it all right?

Could I possibly take tomorrow off?

Breakdown
tomorrow could you let me rest?

I will excuse myself before you.

Breakdown
before you take the liberty of excusing myself

⚠️ Often confused with

Respectful お〜になる

The general respectful (尊敬語) pattern — raises the person you are talking ABOUT or TO.

Humble お〜する

The general humble (謙譲語) pattern — lowers YOUR own action to raise the person it affect...