请帮忙翻译在外贸中这句话什么意思啊?all sign off has been approved

all sign off has been approved 同意取消/退出请求
sign off
vi.(停播,停止活动)
例句与用法:
After ten year,I at last decided to sign off and go into business by myself.
十年后,我终于决定退出该公司,自己去做生意.
I'm tired of the sound of your voice,sign off quickly.
我讨厌听你的声音,快别讲了.
动词 sign off:
cease broadcasting; get off the air; as of radio stations

所有的签字都已被批准。

所有签过字的文件都已经批准了

需要根据上下文。
sign off是终止活动。
我觉得有可能是指：所有停止活动的通知（决定）都已经批准了。

所有签字被批准了