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Sudden Norway Maple oddness

Hope you are all well!
Because of lockdown I have had the time to really notice my tree progress over the spring!
I rent and the tree was already here, I assume it's a Norway maple!
Wandering around the garden everyday means I've stared at my tree a lot.
All of a sudden two problems, that maybe related appeared on Monday morning.
A section of leaves have what looks like tar spot according to my googling, but at the same time in another part of the tree (where the leaves are fine) sap has started leaking from two places that I can see. There's a weird white blob and the sap.
I noticed immediately because there are patio tiles underneath and it's leaving a tiny puddle for the ants to enjoy.
I'm wondering what this could be, and I am a complete amateur (I usually work too much to garden a lot unfortunately), but I do love my trees!
There are a few things I've been wondering about. On the mottled leaf side of the tree is a fence, the other side of the fence my neighbours have been digging a lot for the past couple of weeks. Could root damage cause this?
Also a few weeks ago when it was very windy some of the branches on my tree bent permanently. It's not often you get wind like that on a tree full of leaves.
Could the sap be wind damage, and the leaves be a fungus... or is it something else together and do I need to do anything?

Because of lockdown I have had the time to really notice my tree progress over the spring!
I rent and the tree was already here, I assume it's a Norway maple!
Wandering around the garden everyday means I've stared at my tree a lot.
All of a sudden two problems, that maybe related appeared on Monday morning.
A section of leaves have what looks like tar spot according to my googling, but at the same time in another part of the tree (where the leaves are fine) sap has started leaking from two places that I can see. There's a weird white blob and the sap.
I noticed immediately because there are patio tiles underneath and it's leaving a tiny puddle for the ants to enjoy.
I'm wondering what this could be, and I am a complete amateur (I usually work too much to garden a lot unfortunately), but I do love my trees!
There are a few things I've been wondering about. On the mottled leaf side of the tree is a fence, the other side of the fence my neighbours have been digging a lot for the past couple of weeks. Could root damage cause this?
Also a few weeks ago when it was very windy some of the branches on my tree bent permanently. It's not often you get wind like that on a tree full of leaves.
Could the sap be wind damage, and the leaves be a fungus... or is it something else together and do I need to do anything?


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I did wonder if it could be something alive too, this makes sense!
It's just the odd couple, and I have plenty of birds in the garden who might help out with that but I'll keep an eye out in case they get out of hand.
I'm still waiting for new leaves on this tree. There are just 3 tiny buds that look like might produce leaves but the whole tree is bare.
This time last year I had a tree full by now. It seems about 3 weeks late based on last year.
Is there anything I can do?